22011301312131 has 16 divisors (see below), whose sum is σ = 30710311272864. Its totient is φ = 14008212152064.

The previous prime is 22011301312129. The next prime is 22011301312171. The reversal of 22011301312131 is 13121310311022.

It is not a de Polignac number, because 22011301312131 - 2¹ = 22011301312129 is a prime.

It is a super-2 number, since 2×22011301312131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22011301312098 and 22011301312107.

It is not an unprimeable number, because it can be changed into a prime (22011301312171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1870748946 + ... + 1870760711.

It is an arithmetic number, because the mean of its divisors is an integer number (1919394454554).

Almost surely, 2^{22011301312131} is an apocalyptic number.

22011301312131 is a deficient number, since it is larger than the sum of its proper divisors (8699009960733).

22011301312131 is a wasteful number, since it uses less digits than its factorization.

22011301312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741509750.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 22011301312131 its reverse (13121310311022), we get a palindrome (35132611623153).

The spelling of 22011301312131 in words is "twenty-two trillion, eleven billion, three hundred one million, three hundred twelve thousand, one hundred thirty-one".