112021210139 has 2 divisors, whose sum is σ = 112021210140. Its totient is φ = 112021210138.

The previous prime is 112021210111. The next prime is 112021210153. The reversal of 112021210139 is 931012120211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112021210139 - 2¹² = 112021206043 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (112021218139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56010605069 + 56010605070.

It is an arithmetic number, because the mean of its divisors is an integer number (56010605070).

Almost surely, 2^112021210139 is an apocalyptic number.

112021210139 is a deficient number, since it is larger than the sum of its proper divisors (1).

112021210139 is an equidigital number, since it uses as much as digits as its factorization.

112021210139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 112021210139 in words is "one hundred twelve billion, twenty-one million, two hundred ten thousand, one hundred thirty-nine".