22101320322131 has 2 divisors, whose sum is σ = 22101320322132. Its totient is φ = 22101320322130.

The previous prime is 22101320322127. The next prime is 22101320322161. The reversal of 22101320322131 is 13122302310122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22101320322131 - 2² = 22101320322127 is a prime.

It is a super-2 number, since 2×22101320322131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22101320322097 and 22101320322106.

It is not a weakly prime, because it can be changed into another prime (22101320322161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050660161065 + 11050660161066.

It is an arithmetic number, because the mean of its divisors is an integer number (11050660161066).

Almost surely, 2^{22101320322131} is an apocalyptic number.

22101320322131 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101320322131 is an equidigital number, since it uses as much as digits as its factorization.

22101320322131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 22101320322131 its reverse (13122302310122), we get a palindrome (35223622632253).

The spelling of 22101320322131 in words is "twenty-two trillion, one hundred one billion, three hundred twenty million, three hundred twenty-two thousand, one hundred thirty-one".