201163919121 has 32 divisors (see below), whose sum is σ = 344237731200. Its totient is φ = 114745904640.

The previous prime is 201163919113. The next prime is 201163919221. The reversal of 201163919121 is 121919361102.

201163919121 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 639 + 1 + 9 + 12 + 1 = 666.

It is not a de Polignac number, because 201163919121 - 2³ = 201163919113 is a prime.

It is a super-2 number, since 2×201163919121² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201163919221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19916116 + ... + 19926213.

It is an arithmetic number, because the mean of its divisors is an integer number (10757429100).

Almost surely, 2^201163919121 is an apocalyptic number.

It is an amenable number.

201163919121 is a deficient number, since it is larger than the sum of its proper divisors (143073812079).

201163919121 is a wasteful number, since it uses less digits than its factorization.

201163919121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39842366 (or 39842360 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The spelling of 201163919121 in words is "two hundred one billion, one hundred sixty-three million, nine hundred nineteen thousand, one hundred twenty-one".