131020142001121 has 2 divisors, whose sum is σ = 131020142001122. Its totient is φ = 131020142001120.

The previous prime is 131020142001103. The next prime is 131020142001149. The reversal of 131020142001121 is 121100241020131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130015546734096 + 1004595267025 = 11402436^2 + 1002295^2 .

It is a cyclic number.

It is not a de Polignac number, because 131020142001121 - 2²⁷ = 131020007783393 is a prime.

It is a super-2 number, since 2×131020142001121² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131024142001121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65510071000560 + 65510071000561.

It is an arithmetic number, because the mean of its divisors is an integer number (65510071000561).

Almost surely, 2^{131020142001121} is an apocalyptic number.

It is an amenable number.

131020142001121 is a deficient number, since it is larger than the sum of its proper divisors (1).

131020142001121 is an equidigital number, since it uses as much as digits as its factorization.

131020142001121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 131020142001121 its reverse (121100241020131), we get a palindrome (252120383021252).

The spelling of 131020142001121 in words is "one hundred thirty-one trillion, twenty billion, one hundred forty-two million, one thousand, one hundred twenty-one".