201012131322991 has 2 divisors, whose sum is σ = 201012131322992. Its totient is φ = 201012131322990.

The previous prime is 201012131322953. The next prime is 201012131323057. The reversal of 201012131322991 is 199223131210102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201012131322991 - 2¹⁷ = 201012131191919 is a prime.

It is a super-2 number, since 2×201012131322991² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201012131322991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201012131322901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100506065661495 + 100506065661496.

It is an arithmetic number, because the mean of its divisors is an integer number (100506065661496).

Almost surely, 2^{201012131322991} is an apocalyptic number.

201012131322991 is a deficient number, since it is larger than the sum of its proper divisors (1).

201012131322991 is an equidigital number, since it uses as much as digits as its factorization.

201012131322991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 201012131322991 in words is "two hundred one trillion, twelve billion, one hundred thirty-one million, three hundred twenty-two thousand, nine hundred ninety-one".