Search a number
-
+
121010221201120 = 2551169536466819
BaseRepresentation
bin11011100000111011100011…
…001111111011011011100000
3120212110110112101012021102221
4123200323203033323123200
5111330112413111413440
61105211154515120424
734326462042543316
oct3340734317733340
9525413471167387
10121010221201120
1135615168157859
12116a47122a3114
13526a2a4180cc4
1421c4cd6b7a0b6
15decb483c0d4a
hex6e0ee33fb6e0

121010221201120 has 48 divisors (see below), whose sum is σ = 285889136253840. Its totient is φ = 48403667119104.

The previous prime is 121010221201069. The next prime is 121010221201139. The reversal of 121010221201120 is 21102122010121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 121010221201094 and 121010221201103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15479071 + ... + 21945889.

It is an arithmetic number, because the mean of its divisors is an integer number (5956023671955).

Almost surely, 2121010221201120 is an apocalyptic number.

121010221201120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121010221201120 is an abundant number, since it is smaller than the sum of its proper divisors (164878915052720).

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

121010221201120 is a wasteful number, since it uses less digits than its factorization.

121010221201120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6583787 (or 6583779 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121010221201120 its reverse (21102122010121), we get a palindrome (142112343211241).

The spelling of 121010221201120 in words is "one hundred twenty-one trillion, ten billion, two hundred twenty-one million, two hundred one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 116953 233906 467812 584765 935624 1169530 1871248 2339060 3742496 4678120 6466819 9356240 12933638 18712480 25867276 32334095 51734552 64668190 103469104 129336380 206938208 258672760 517345520 1034691040 756313882507 1512627765014 3025255530028 3781569412535 6050511060056 7563138825070 12101022120112 15126277650140 24202044240224 30252555300280 60505110600560 121010221201120