2101220012210 has 64 divisors (see below), whose sum is σ = 4268991340800. Its totient is φ = 737614483200.

The previous prime is 2101220012207. The next prime is 2101220012233. The reversal of 2101220012210 is 122100221012.

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, 21256700 + ... + 21355320.

It is an arithmetic number, because the mean of its divisors is an integer number (66702989700).

Almost surely, 2^{2101220012210} is an apocalyptic number.

2101220012210 is an abundant number, since it is smaller than the sum of its proper divisors (2167771328590).

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

2101220012210 is a wasteful number, since it uses less digits than its factorization.

2101220012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105347.

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

Adding to 2101220012210 its reverse (122100221012), we get a palindrome (2223320233222).

The spelling of 2101220012210 in words is "two trillion, one hundred one billion, two hundred twenty million, twelve thousand, two hundred ten".