2102210311311 has 12 divisors (see below), whose sum is σ = 3312573824040. Its totient is φ = 1274066855280.

The previous prime is 2102210311303. The next prime is 2102210311339. The reversal of 2102210311311 is 1131130122012.

2102210311311 is a `hidden beast` number, since 2 + 10 + 22 + 10 + 311 + 311 = 666.

It is not a de Polignac number, because 2102210311311 - 2³ = 2102210311303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102210311361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10617223696 + ... + 10617223893.

It is an arithmetic number, because the mean of its divisors is an integer number (276047818670).

Almost surely, 2^{2102210311311} is an apocalyptic number.

2102210311311 is a deficient number, since it is larger than the sum of its proper divisors (1210363512729).

2102210311311 is a wasteful number, since it uses less digits than its factorization.

2102210311311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21234447606 (or 21234447603 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2102210311311 its reverse (1131130122012), we get a palindrome (3233340433323).

The spelling of 2102210311311 in words is "two trillion, one hundred two billion, two hundred ten million, three hundred eleven thousand, three hundred eleven".