22121130332331 has 12 divisors (see below), whose sum is σ = 31957420141608. Its totient is φ = 14745261916224.

The previous prime is 22121130332303. The next prime is 22121130332333. The reversal of 22121130332331 is 13323303112122.

22121130332331 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 1 + 1 + 303 + 323 + 31 = 666.

It is not a de Polignac number, because 22121130332331 - 2⁶ = 22121130332267 is a prime.

It is a super-2 number, since 2×22121130332331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22121130332295 and 22121130332304.

It is not an unprimeable number, because it can be changed into a prime (22121130332333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179793865 + ... + 179916858.

It is an arithmetic number, because the mean of its divisors is an integer number (2663118345134).

Almost surely, 2^{22121130332331} is an apocalyptic number.

22121130332331 is a deficient number, since it is larger than the sum of its proper divisors (9836289809277).

22121130332331 is a wasteful number, since it uses less digits than its factorization.

22121130332331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359717562 (or 359717559 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 22121130332331 its reverse (13323303112122), we get a palindrome (35444433444453).

The spelling of 22121130332331 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred thirty million, three hundred thirty-two thousand, three hundred thirty-one".