2100021011102 has 32 divisors (see below), whose sum is σ = 3613872127680. Its totient is φ = 896550819840.

The previous prime is 2100021011069. The next prime is 2100021011107. The reversal of 2100021011102 is 2011101200012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100021011107) 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, 34545278 + ... + 34606014.

It is an arithmetic number, because the mean of its divisors is an integer number (112933503990).

Almost surely, 2^{2100021011102} is an apocalyptic number.

2100021011102 is a deficient number, since it is larger than the sum of its proper divisors (1513851116578).

2100021011102 is a wasteful number, since it uses less digits than its factorization.

2100021011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70196.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2100021011102 its reverse (2011101200012), we get a palindrome (4111122211114).

The spelling of 2100021011102 in words is "two trillion, one hundred billion, twenty-one million, eleven thousand, one hundred two".