131202212020511 has 2 divisors, whose sum is σ = 131202212020512. Its totient is φ = 131202212020510.

The previous prime is 131202212020433. The next prime is 131202212020553. The reversal of 131202212020511 is 115020212202131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131202212020511 is a prime.

It is a super-2 number, since 2×131202212020511² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131202212020811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65601106010255 + 65601106010256.

It is an arithmetic number, because the mean of its divisors is an integer number (65601106010256).

Almost surely, 2^{131202212020511} is an apocalyptic number.

131202212020511 is a deficient number, since it is larger than the sum of its proper divisors (1).

131202212020511 is an equidigital number, since it uses as much as digits as its factorization.

131202212020511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 131202212020511 its reverse (115020212202131), we get a palindrome (246222424222642).

The spelling of 131202212020511 in words is "one hundred thirty-one trillion, two hundred two billion, two hundred twelve million, twenty thousand, five hundred eleven".