2101211020102 has 32 divisors (see below), whose sum is σ = 3309426554112. Its totient is φ = 998641838304.

The previous prime is 2101211020061. The next prime is 2101211020163. The reversal of 2101211020102 is 2010201121012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113038053 + ... + 113056639.

It is an arithmetic number, because the mean of its divisors is an integer number (103419579816).

Almost surely, 2^{2101211020102} is an apocalyptic number.

2101211020102 is a deficient number, since it is larger than the sum of its proper divisors (1208215534010).

2101211020102 is a wasteful number, since it uses less digits than its factorization.

2101211020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33852.

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

Adding to 2101211020102 its reverse (2010201121012), we get a palindrome (4111412141114).

The spelling of 2101211020102 in words is "two trillion, one hundred one billion, two hundred eleven million, twenty thousand, one hundred two".