212021202311 has 16 divisors (see below), whose sum is σ = 215853120000. Its totient is φ = 208223090688.

The previous prime is 212021202299. The next prime is 212021202353. The reversal of 212021202311 is 113202120212.

It is not a de Polignac number, because 212021202311 - 2³⁰ = 210947460487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212021202311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212821202311) 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, 10634210 + ... + 10654128.

It is an arithmetic number, because the mean of its divisors is an integer number (13490820000).

Almost surely, 2^212021202311 is an apocalyptic number.

212021202311 is a deficient number, since it is larger than the sum of its proper divisors (3831917689).

212021202311 is a wasteful number, since it uses less digits than its factorization.

212021202311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20758.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212021202311 its reverse (113202120212), we get a palindrome (325223322523).

The spelling of 212021202311 in words is "two hundred twelve billion, twenty-one million, two hundred two thousand, three hundred eleven".