20100120211102 has 16 divisors (see below), whose sum is σ = 30661855459200. Its totient is φ = 9879509004120.

The previous prime is 20100120211069. The next prime is 20100120211147. The reversal of 20100120211102 is 20111202100102.

It is a super-2 number, since 2×20100120211102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 3799327 + ... + 7391557.

It is an arithmetic number, because the mean of its divisors is an integer number (1916365966200).

Almost surely, 2^{20100120211102} is an apocalyptic number.

20100120211102 is a deficient number, since it is larger than the sum of its proper divisors (10561735248098).

20100120211102 is a wasteful number, since it uses less digits than its factorization.

20100120211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639711.

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

Adding to 20100120211102 its reverse (20111202100102), we get a palindrome (40211322311204).

The spelling of 20100120211102 in words is "twenty trillion, one hundred billion, one hundred twenty million, two hundred eleven thousand, one hundred two".