1002221202139 has 2 divisors, whose sum is σ = 1002221202140. Its totient is φ = 1002221202138.

The previous prime is 1002221202133. The next prime is 1002221202163. The reversal of 1002221202139 is 9312021222001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002221202139 - 2⁷ = 1002221202011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002221202133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501110601069 + 501110601070.

It is an arithmetic number, because the mean of its divisors is an integer number (501110601070).

Almost surely, 2^{1002221202139} is an apocalyptic number.

1002221202139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002221202139 is an equidigital number, since it uses as much as digits as its factorization.

1002221202139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 1002221202139 in words is "one trillion, two billion, two hundred twenty-one million, two hundred two thousand, one hundred thirty-nine".