2101212122110 has 32 divisors (see below), whose sum is σ = 3981320403840. Its totient is φ = 796233527712.

The previous prime is 2101212122099. The next prime is 2101212122137. The reversal of 2101212122110 is 112212121012.

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, 17440297 + ... + 17560363.

It is an arithmetic number, because the mean of its divisors is an integer number (124416262620).

Almost surely, 2^{2101212122110} is an apocalyptic number.

2101212122110 is a deficient number, since it is larger than the sum of its proper divisors (1880108281730).

2101212122110 is a wasteful number, since it uses less digits than its factorization.

2101212122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212200.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2101212122110 its reverse (112212121012), we get a palindrome (2213424243122).

The spelling of 2101212122110 in words is "two trillion, one hundred one billion, two hundred twelve million, one hundred twenty-two thousand, one hundred ten".