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2002101122121 = 36269868112263
BaseRepresentation
bin11101001000100110100…
…001101011010001001001
321002101202212110220122220
4131020212201223101021
5230300300341401441
64131430315204253
7264434634514362
oct35104641532111
97071685426586
102002101122121
117020a4985a51
1228402b746689
13116a49955bb9
146cc8b94cb69
153712c6b7466
hex1d22686b449

2002101122121 has 16 divisors (see below), whose sum is σ = 2670419283840. Its totient is φ = 1334258629760.

The previous prime is 2002101122089. The next prime is 2002101122123. The reversal of 2002101122121 is 1212211012002.

It is a cyclic number.

It is not a de Polignac number, because 2002101122121 - 25 = 2002101122089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2002101122121.

It is not an unprimeable number, because it can be changed into a prime (2002101122123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163257436 + ... + 163269698.

It is an arithmetic number, because the mean of its divisors is an integer number (166901205240).

Almost surely, 22002101122121 is an apocalyptic number.

It is an amenable number.

2002101122121 is a deficient number, since it is larger than the sum of its proper divisors (668318161719).

2002101122121 is a wasteful number, since it uses less digits than its factorization.

2002101122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27216.

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

Adding to 2002101122121 its reverse (1212211012002), we get a palindrome (3214312134123).

The spelling of 2002101122121 in words is "two trillion, two billion, one hundred one million, one hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 3 6269 8681 12263 18807 26043 36789 54421189 76876747 106455103 163263567 230630241 319365309 667367040707 2002101122121