22222232121131 has 8 divisors (see below), whose sum is σ = 26016271751904. Its totient is φ = 18583051250880.

The previous prime is 22222232121029. The next prime is 22222232121137. The reversal of 22222232121131 is 13112123222222.

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 22222232121131 - 2³⁸ = 21947354214187 is a prime.

It is a super-2 number, since 2×22222232121131² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22222232121131.

It is not an unprimeable number, because it can be changed into a prime (22222232121137) 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, 38714689820 + ... + 38714690393.

It is an arithmetic number, because the mean of its divisors is an integer number (3252033968988).

Almost surely, 2^{22222232121131} is an apocalyptic number.

22222232121131 is a deficient number, since it is larger than the sum of its proper divisors (3794039630773).

22222232121131 is an equidigital number, since it uses as much as digits as its factorization.

22222232121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77429380261.

The product of its digits is 2304, while the sum is 26.

Adding to 22222232121131 its reverse (13112123222222), we get a palindrome (35334355343353).

The spelling of 22222232121131 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred thirty-two million, one hundred twenty-one thousand, one hundred thirty-one".