2121020102110 has 32 divisors (see below), whose sum is σ = 4698875305152. Its totient is φ = 671267900160.

The previous prime is 2121020102059. The next prime is 2121020102161. The reversal of 2121020102110 is 112010201212.

It is an interprime number because it is at equal distance from previous prime (2121020102059) and next prime (2121020102161).

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 1165394751 + ... + 1165396570.

It is an arithmetic number, because the mean of its divisors is an integer number (146839853286).

Almost surely, 2^{2121020102110} is an apocalyptic number.

2121020102110 is an abundant number, since it is smaller than the sum of its proper divisors (2577855203042).

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

2121020102110 is a wasteful number, since it uses less digits than its factorization.

2121020102110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330791348.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2121020102110 its reverse (112010201212), we get a palindrome (2233030303322).

The spelling of 2121020102110 in words is "two trillion, one hundred twenty-one billion, twenty million, one hundred two thousand, one hundred ten".