2121331012210 has 32 divisors (see below), whose sum is σ = 3821686146432. Its totient is φ = 847801468800.

The previous prime is 2121331012201. The next prime is 2121331012211. The reversal of 2121331012210 is 122101331212.

It is not an unprimeable number, because it can be changed into a prime (2121331012211) 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, 90269182 + ... + 90292678.

It is an arithmetic number, because the mean of its divisors is an integer number (119427692076).

Almost surely, 2^{2121331012210} is an apocalyptic number.

2121331012210 is a deficient number, since it is larger than the sum of its proper divisors (1700355134222).

2121331012210 is a wasteful number, since it uses less digits than its factorization.

2121331012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30898.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2121331012210 its reverse (122101331212), we get a palindrome (2243432343422).

The spelling of 2121331012210 in words is "two trillion, one hundred twenty-one billion, three hundred thirty-one million, twelve thousand, two hundred ten".