22021320131311 has 8 divisors (see below), whose sum is σ = 22470816380384. Its totient is φ = 21575819404800.

The previous prime is 22021320131273. The next prime is 22021320131339. The reversal of 22021320131311 is 11313102312022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22021320131311 - 2³⁷ = 21883881177839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021320131351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998869506 + ... + 998891551.

It is an arithmetic number, because the mean of its divisors is an integer number (2808852047548).

Almost surely, 2^{22021320131311} is an apocalyptic number.

22021320131311 is a deficient number, since it is larger than the sum of its proper divisors (449496249073).

22021320131311 is a wasteful number, since it uses less digits than its factorization.

22021320131311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997761281.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 22021320131311 its reverse (11313102312022), we get a palindrome (33334422443333).

The spelling of 22021320131311 in words is "twenty-two trillion, twenty-one billion, three hundred twenty million, one hundred thirty-one thousand, three hundred eleven".