20212213111313 has 4 divisors (see below), whose sum is σ = 20705193918948. Its totient is φ = 19719232303680.

The previous prime is 20212213111291. The next prime is 20212213111331. The reversal of 20212213111313 is 31311131221202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6676348002769 + 13535865108544 = 2583863^2 + 3679112^2 .

It is a cyclic number.

It is not a de Polignac number, because 20212213111313 - 2¹⁶ = 20212213045777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212213161313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246490403756 + ... + 246490403837.

It is an arithmetic number, because the mean of its divisors is an integer number (5176298479737).

Almost surely, 2^{20212213111313} is an apocalyptic number.

It is an amenable number.

20212213111313 is a deficient number, since it is larger than the sum of its proper divisors (492980807635).

20212213111313 is an equidigital number, since it uses as much as digits as its factorization.

20212213111313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492980807634.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 20212213111313 its reverse (31311131221202), we get a palindrome (51523344332515).

The spelling of 20212213111313 in words is "twenty trillion, two hundred twelve billion, two hundred thirteen million, one hundred eleven thousand, three hundred thirteen".