20212211313 has 40 divisors (see below), whose sum is σ = 34521838208. Its totient is φ = 11544840576.

The previous prime is 20212211309. The next prime is 20212211329. The reversal of 20212211313 is 31311221202.

It is not a de Polignac number, because 20212211313 - 2² = 20212211309 is a prime.

It is a super-2 number, since 2×20212211313² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212211363) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1600020 + ... + 1612602.

Almost surely, 2^20212211313 is an apocalyptic number.

It is an amenable number.

20212211313 is a deficient number, since it is larger than the sum of its proper divisors (14309626895).

20212211313 is a wasteful number, since it uses less digits than its factorization.

20212211313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15435 (or 15426 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20212211313 its reverse (31311221202), we get a palindrome (51523432515).

The spelling of 20212211313 in words is "twenty billion, two hundred twelve million, two hundred eleven thousand, three hundred thirteen".