122101100131 has 2 divisors, whose sum is σ = 122101100132. Its totient is φ = 122101100130.

The previous prime is 122101100059. The next prime is 122101100137. The reversal of 122101100131 is 131001101221.

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-122101100131 is a prime.

It is a super-2 number, since 2×122101100131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122101100137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050550065 + 61050550066.

It is an arithmetic number, because the mean of its divisors is an integer number (61050550066).

Almost surely, 2^122101100131 is an apocalyptic number.

122101100131 is a deficient number, since it is larger than the sum of its proper divisors (1).

122101100131 is an equidigital number, since it uses as much as digits as its factorization.

122101100131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 122101100131 its reverse (131001101221), we get a palindrome (253102201352).

The spelling of 122101100131 in words is "one hundred twenty-two billion, one hundred one million, one hundred thousand, one hundred thirty-one".