102001123323131 has 2 divisors, whose sum is σ = 102001123323132. Its totient is φ = 102001123323130.

The previous prime is 102001123323049. The next prime is 102001123323137. The reversal of 102001123323131 is 131323321100201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102001123323131 - 2²² = 102001119128827 is a prime.

It is a super-2 number, since 2×102001123323131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102001123323097 and 102001123323106.

It is not a weakly prime, because it can be changed into another prime (102001123323137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000561661565 + 51000561661566.

It is an arithmetic number, because the mean of its divisors is an integer number (51000561661566).

Almost surely, 2^{102001123323131} is an apocalyptic number.

102001123323131 is a deficient number, since it is larger than the sum of its proper divisors (1).

102001123323131 is an equidigital number, since it uses as much as digits as its factorization.

102001123323131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 102001123323131 its reverse (131323321100201), we get a palindrome (233324444423332).

The spelling of 102001123323131 in words is "one hundred two trillion, one billion, one hundred twenty-three million, three hundred twenty-three thousand, one hundred thirty-one".