9012021111131 has 2 divisors, whose sum is σ = 9012021111132. Its totient is φ = 9012021111130.

The previous prime is 9012021111109. The next prime is 9012021111139. The reversal of 9012021111131 is 1311111202109.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9012021111131 is a prime.

It is a super-2 number, since 2×9012021111131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9012021111097 and 9012021111106.

It is not a weakly prime, because it can be changed into another prime (9012021111139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4506010555565 + 4506010555566.

It is an arithmetic number, because the mean of its divisors is an integer number (4506010555566).

Almost surely, 2^{9012021111131} is an apocalyptic number.

9012021111131 is a deficient number, since it is larger than the sum of its proper divisors (1).

9012021111131 is an equidigital number, since it uses as much as digits as its factorization.

9012021111131 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 23.

The spelling of 9012021111131 in words is "nine trillion, twelve billion, twenty-one million, one hundred eleven thousand, one hundred thirty-one".