2102100111102 has 16 divisors (see below), whose sum is σ = 4247542493712. Its totient is φ = 693476325120.

The previous prime is 2102100111079. The next prime is 2102100111119. The reversal of 2102100111102 is 2011110012012.

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, 1805927349 + ... + 1805928512.

It is an arithmetic number, because the mean of its divisors is an integer number (265471405857).

Almost surely, 2^{2102100111102} is an apocalyptic number.

2102100111102 is an abundant number, since it is smaller than the sum of its proper divisors (2145442382610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102100111102 is a wasteful number, since it uses less digits than its factorization.

2102100111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611855963.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2102100111102 its reverse (2011110012012), we get a palindrome (4113210123114).

The spelling of 2102100111102 in words is "two trillion, one hundred two billion, one hundred million, one hundred eleven thousand, one hundred two".