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121010011202220 = 22357288119074291
BaseRepresentation
bin11011100000111011010110…
…101110110110001010101100
3120212110102222202001020002220
4123200323112232312022230
5111330112000331432340
61105211122014115340
734326453612562530
oct3340732656661254
9525412882036086
10121010011202220
113561506a665548
12116a4673aabb50
13526a26c8057ba
1421c4cb6d13bc0
15decb34c3ded0
hex6e0ed6bb62ac

121010011202220 has 48 divisors (see below), whose sum is σ = 387232035848448. Its totient is φ = 27659431131840.

The previous prime is 121010011202203. The next prime is 121010011202233. The reversal of 121010011202220 is 22202110010121.

It is a super-2 number, since 2×1210100112022202 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 121010011202220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144059536726 + ... + 144059537565.

It is an arithmetic number, because the mean of its divisors is an integer number (8067334080176).

Almost surely, 2121010011202220 is an apocalyptic number.

121010011202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121010011202220 is an abundant number, since it is smaller than the sum of its proper divisors (266222024646228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121010011202220 is a wasteful number, since it uses less digits than its factorization.

121010011202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288119074310 (or 288119074308 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121010011202220 its reverse (22202110010121), we get a palindrome (143212121212341).

The spelling of 121010011202220 in words is "one hundred twenty-one trillion, ten billion, eleven million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 288119074291 576238148582 864357222873 1152476297164 1440595371455 1728714445746 2016833520037 2881190742910 3457428891492 4033667040074 4321786114365 5762381485820 6050500560111 8067334080148 8643572228730 10084167600185 12101001120222 17287144457460 20168335200370 24202002240444 30252502800555 40336670400740 60505005601110 121010011202220