1201120201139 has 2 divisors, whose sum is σ = 1201120201140. Its totient is φ = 1201120201138.

The previous prime is 1201120201117. The next prime is 1201120201181. The reversal of 1201120201139 is 9311020211021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201120201139 - 2⁸ = 1201120200883 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1201120201339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600560100569 + 600560100570.

It is an arithmetic number, because the mean of its divisors is an integer number (600560100570).

Almost surely, 2^{1201120201139} is an apocalyptic number.

1201120201139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201120201139 is an equidigital number, since it uses as much as digits as its factorization.

1201120201139 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 1201120201139 in words is "one trillion, two hundred one billion, one hundred twenty million, two hundred one thousand, one hundred thirty-nine".