22111202021331 has 8 divisors (see below), whose sum is σ = 29604956682240. Its totient is φ = 14679124353992.

The previous prime is 22111202021317. The next prime is 22111202021351. The reversal of 22111202021331 is 13312020211122.

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 22111202021331 - 2³⁷ = 21973763067859 is a prime.

It is a super-2 number, since 2×22111202021331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22111202021298 and 22111202021307.

It is not an unprimeable number, because it can be changed into a prime (22111202021351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15419247555 + ... + 15419248988.

It is an arithmetic number, because the mean of its divisors is an integer number (3700619585280).

Almost surely, 2^{22111202021331} is an apocalyptic number.

22111202021331 is a deficient number, since it is larger than the sum of its proper divisors (7493754660909).

22111202021331 is a wasteful number, since it uses less digits than its factorization.

22111202021331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30838496785.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 22111202021331 its reverse (13312020211122), we get a palindrome (35423222232453).

The spelling of 22111202021331 in words is "twenty-two trillion, one hundred eleven billion, two hundred two million, twenty-one thousand, three hundred thirty-one".