2121002102210 has 32 divisors (see below), whose sum is σ = 4044337957440. Its totient is φ = 798628738752.

The previous prime is 2121002102209. The next prime is 2121002102213. The reversal of 2121002102210 is 122012001212.

It is not an unprimeable number, because it can be changed into a prime (2121002102213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35521664 + ... + 35581323.

It is an arithmetic number, because the mean of its divisors is an integer number (126385561170).

Almost surely, 2^{2121002102210} is an apocalyptic number.

2121002102210 is a deficient number, since it is larger than the sum of its proper divisors (1923335855230).

2121002102210 is a wasteful number, since it uses less digits than its factorization.

2121002102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71103170.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2121002102210 its reverse (122012001212), we get a palindrome (2243014103422).

The spelling of 2121002102210 in words is "two trillion, one hundred twenty-one billion, two million, one hundred two thousand, two hundred ten".