102210620131 has 2 divisors, whose sum is σ = 102210620132. Its totient is φ = 102210620130.

The previous prime is 102210620117. The next prime is 102210620153. The reversal of 102210620131 is 131026012201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102210620131 - 2⁷ = 102210620003 is a prime.

It is a super-2 number, since 2×102210620131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102210620099 and 102210620108.

It is not a weakly prime, because it can be changed into another prime (102210627131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51105310065 + 51105310066.

It is an arithmetic number, because the mean of its divisors is an integer number (51105310066).

Almost surely, 2^102210620131 is an apocalyptic number.

102210620131 is a deficient number, since it is larger than the sum of its proper divisors (1).

102210620131 is an equidigital number, since it uses as much as digits as its factorization.

102210620131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 102210620131 its reverse (131026012201), we get a palindrome (233236632332).

The spelling of 102210620131 in words is "one hundred two billion, two hundred ten million, six hundred twenty thousand, one hundred thirty-one".