100210021211121 has 16 divisors (see below), whose sum is σ = 137934401495040. Its totient is φ = 64646502474960.

The previous prime is 100210021211117. The next prime is 100210021211141. The reversal of 100210021211121 is 121112120012001.

It is a happy number.

It is not a de Polignac number, because 100210021211121 - 2² = 100210021211117 is a prime.

It is a super-2 number, since 2×100210021211121² (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 100210021211121.

It is not an unprimeable number, because it can be changed into a prime (100210021211101) 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, 41521065 + ... + 43868198.

It is an arithmetic number, because the mean of its divisors is an integer number (8620900093440).

Almost surely, 2^{100210021211121} is an apocalyptic number.

It is an amenable number.

100210021211121 is a deficient number, since it is larger than the sum of its proper divisors (37724380283919).

100210021211121 is a wasteful number, since it uses less digits than its factorization.

100210021211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85401916.

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

Adding to 100210021211121 its reverse (121112120012001), we get a palindrome (221322141223122).

The spelling of 100210021211121 in words is "one hundred trillion, two hundred ten billion, twenty-one million, two hundred eleven thousand, one hundred twenty-one".