2102021122110 has 64 divisors (see below), whose sum is σ = 6209047014912. Its totient is φ = 443503357056.

The previous prime is 2102021122037. The next prime is 2102021122177. The reversal of 2102021122110 is 112211202012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2102021122110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 384982824 + ... + 384988283.

It is an arithmetic number, because the mean of its divisors is an integer number (97016359608).

Almost surely, 2^{2102021122110} is an apocalyptic number.

2102021122110 is an abundant number, since it is smaller than the sum of its proper divisors (4107025892802).

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

2102021122110 is a wasteful number, since it uses less digits than its factorization.

2102021122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769971137.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2102021122110 its reverse (112211202012), we get a palindrome (2214232324122).

The spelling of 2102021122110 in words is "two trillion, one hundred two billion, twenty-one million, one hundred twenty-two thousand, one hundred ten".