22201020131 has 2 divisors, whose sum is σ = 22201020132. Its totient is φ = 22201020130.

The previous prime is 22201020031. The next prime is 22201020139. The reversal of 22201020131 is 13102010222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22201020131 is a prime.

It is a super-2 number, since 2×22201020131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22201020139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100510065 + 11100510066.

It is an arithmetic number, because the mean of its divisors is an integer number (11100510066).

Almost surely, 2^22201020131 is an apocalyptic number.

22201020131 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201020131 is an equidigital number, since it uses as much as digits as its factorization.

22201020131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22201020131 its reverse (13102010222), we get a palindrome (35303030353).

Subtracting from 22201020131 its reverse (13102010222), we obtain a palindrome (9099009909).

The spelling of 22201020131 in words is "twenty-two billion, two hundred one million, twenty thousand, one hundred thirty-one".