22311031121 has 8 divisors (see below), whose sum is σ = 22385122560. Its totient is φ = 22237006752.

The previous prime is 22311031091. The next prime is 22311031133. The reversal of 22311031121 is 12113011322.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22311031121 is a prime.

It is a super-3 number, since 3×22311031121³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22311031121.

It is not an unprimeable number, because it can be changed into a prime (22311030121) 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 7 ways as a sum of consecutive naturals, for example, 699896 + ... + 731078.

It is an arithmetic number, because the mean of its divisors is an integer number (2798140320).

Almost surely, 2^22311031121 is an apocalyptic number.

It is an amenable number.

22311031121 is a deficient number, since it is larger than the sum of its proper divisors (74091439).

22311031121 is a wasteful number, since it uses less digits than its factorization.

22311031121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33535.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 22311031121 its reverse (12113011322), we get a palindrome (34424042443).

The spelling of 22311031121 in words is "twenty-two billion, three hundred eleven million, thirty-one thousand, one hundred twenty-one".