2121102110110 has 64 divisors (see below), whose sum is σ = 3944648927232. Its totient is φ = 820744759296.

The previous prime is 2121102110089. The next prime is 2121102110119. The reversal of 2121102110110 is 110112011212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121102110119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25276542 + ... + 25360318.

It is an arithmetic number, because the mean of its divisors is an integer number (61635139488).

Almost surely, 2^{2121102110110} is an apocalyptic number.

2121102110110 is a deficient number, since it is larger than the sum of its proper divisors (1823546817122).

2121102110110 is a wasteful number, since it uses less digits than its factorization.

2121102110110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84457.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2121102110110 its reverse (110112011212), we get a palindrome (2231214121322).

The spelling of 2121102110110 in words is "two trillion, one hundred twenty-one billion, one hundred two million, one hundred ten thousand, one hundred ten".