102001021311331 has 2 divisors, whose sum is σ = 102001021311332. Its totient is φ = 102001021311330.

The previous prime is 102001021311317. The next prime is 102001021311341. The reversal of 102001021311331 is 133113120100201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102001021311331 - 2¹¹ = 102001021309283 is a prime.

It is a super-2 number, since 2×102001021311331² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102001021311299 and 102001021311308.

It is not a weakly prime, because it can be changed into another prime (102001021311311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000510655665 + 51000510655666.

It is an arithmetic number, because the mean of its divisors is an integer number (51000510655666).

Almost surely, 2^{102001021311331} is an apocalyptic number.

102001021311331 is a deficient number, since it is larger than the sum of its proper divisors (1).

102001021311331 is an equidigital number, since it uses as much as digits as its factorization.

102001021311331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 102001021311331 its reverse (133113120100201), we get a palindrome (235114141411532).

The spelling of 102001021311331 in words is "one hundred two trillion, one billion, twenty-one million, three hundred eleven thousand, three hundred thirty-one".