201012100112121 has 8 divisors (see below), whose sum is σ = 268016242570944. Its totient is φ = 134008012197360.

The previous prime is 201012100112107. The next prime is 201012100112137. The reversal of 201012100112121 is 121211001210102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201012100112121 - 2³³ = 201003510177529 is a prime.

It is a super-2 number, since 2×201012100112121² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201012100112121.

It is not an unprimeable number, because it can be changed into a prime (201012100912121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4080325 + ... + 20461506.

It is an arithmetic number, because the mean of its divisors is an integer number (33502030321368).

Almost surely, 2^{201012100112121} is an apocalyptic number.

It is an amenable number.

201012100112121 is a deficient number, since it is larger than the sum of its proper divisors (67004142458823).

201012100112121 is a wasteful number, since it uses less digits than its factorization.

201012100112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27272031.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201012100112121 its reverse (121211001210102), we get a palindrome (322223101322223).

The spelling of 201012100112121 in words is "two hundred one trillion, twelve billion, one hundred million, one hundred twelve thousand, one hundred twenty-one".