22113113331 has 16 divisors (see below), whose sum is σ = 30165640704. Its totient is φ = 14402459424.

The previous prime is 22113113293. The next prime is 22113113369. The reversal of 22113113331 is 13331131122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22113113293) and next prime (22113113369).

It is not a de Polignac number, because 22113113331 - 2¹⁴ = 22113096947 is a prime.

It is a super-2 number, since 2×22113113331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22113113298 and 22113113307.

It is not an unprimeable number, because it can be changed into a prime (22113113131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62245 + ... + 219318.

It is an arithmetic number, because the mean of its divisors is an integer number (1885352544).

Almost surely, 2^22113113331 is an apocalyptic number.

22113113331 is a deficient number, since it is larger than the sum of its proper divisors (8052527373).

22113113331 is a wasteful number, since it uses less digits than its factorization.

22113113331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282170.

The product of its digits is 324, while the sum is 21.

Adding to 22113113331 its reverse (13331131122), we get a palindrome (35444244453).

The spelling of 22113113331 in words is "twenty-two billion, one hundred thirteen million, one hundred thirteen thousand, three hundred thirty-one".