2102111010210 has 32 divisors (see below), whose sum is σ = 5310596237760. Its totient is φ = 531059623488.

The previous prime is 2102111010203. The next prime is 2102111010221. The reversal of 2102111010210 is 120101112012.

It is a super-2 number, since 2×2102111010210² (a number of 25 digits) contains 22 as substring.

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, 1843956457 + ... + 1843957596.

It is an arithmetic number, because the mean of its divisors is an integer number (165956132430).

Almost surely, 2^{2102111010210} is an apocalyptic number.

2102111010210 is an abundant number, since it is smaller than the sum of its proper divisors (3208485227550).

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

2102111010210 is a wasteful number, since it uses less digits than its factorization.

2102111010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687914082.

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

Adding to 2102111010210 its reverse (120101112012), we get a palindrome (2222212122222).

The spelling of 2102111010210 in words is "two trillion, one hundred two billion, one hundred eleven million, ten thousand, two hundred ten".