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121022200101010 = 2513930940000777
BaseRepresentation
bin11011100001000110101101…
…001111110011100010010010
3120212111121110012121102212211
4123201012231033303202102
5111330311431211213020
61105220455312342334
734330364636526565
oct3341065517634222
9525447405542784
10121022200101010
113561a254a0761a
12116a6ab5b449aa
13526b462b38750
1421c5711a644dc
15ded0e9d7485a
hex6e11ad3f3892

121022200101010 has 16 divisors (see below), whose sum is σ = 234596880196056. Its totient is φ = 44685120037248.

The previous prime is 121022200100987. The next prime is 121022200101071. The reversal of 121022200101010 is 10101002220121.

It can be written as a sum of positive squares in 4 ways, for example, as 82225160060481 + 38797040040529 = 9067809^2 + 6228727^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 465470000259 + ... + 465470000518.

Almost surely, 2121022200101010 is an apocalyptic number.

121022200101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121022200101010 is a deficient number, since it is larger than the sum of its proper divisors (113574680095046).

121022200101010 is a wasteful number, since it uses less digits than its factorization.

121022200101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930940000797.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121022200101010 its reverse (10101002220121), we get a palindrome (131123202321131).

The spelling of 121022200101010 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred million, one hundred one thousand, ten".

Divisors: 1 2 5 10 13 26 65 130 930940000777 1861880001554 4654700003885 9309400007770 12102220010101 24204440020202 60511100050505 121022200101010