2121011222110 has 64 divisors (see below), whose sum is σ = 4211704361664. Its totient is φ = 762628608000.

The previous prime is 2121011222053. The next prime is 2121011222147. The reversal of 2121011222110 is 112221101212.

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, 8284174 + ... + 8536366.

It is an arithmetic number, because the mean of its divisors is an integer number (65807880651).

Almost surely, 2^{2121011222110} is an apocalyptic number.

2121011222110 is a deficient number, since it is larger than the sum of its proper divisors (2090693139554).

2121011222110 is a wasteful number, since it uses less digits than its factorization.

2121011222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253069.

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

Adding to 2121011222110 its reverse (112221101212), we get a palindrome (2233232323322).

The spelling of 2121011222110 in words is "two trillion, one hundred twenty-one billion, eleven million, two hundred twenty-two thousand, one hundred ten".