201121344131 has 2 divisors, whose sum is σ = 201121344132. Its totient is φ = 201121344130.

The previous prime is 201121344097. The next prime is 201121344167. The reversal of 201121344131 is 131443121102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201121344131 - 2²⁶ = 201054235267 is a prime.

It is a super-2 number, since 2×201121344131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201121344097 and 201121344106.

It is not a weakly prime, because it can be changed into another prime (201121344191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560672065 + 100560672066.

It is an arithmetic number, because the mean of its divisors is an integer number (100560672066).

Almost surely, 2^201121344131 is an apocalyptic number.

201121344131 is a deficient number, since it is larger than the sum of its proper divisors (1).

201121344131 is an equidigital number, since it uses as much as digits as its factorization.

201121344131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 201121344131 its reverse (131443121102), we get a palindrome (332564465233).

The spelling of 201121344131 in words is "two hundred one billion, one hundred twenty-one million, three hundred forty-four thousand, one hundred thirty-one".