1002102022139 has 2 divisors, whose sum is σ = 1002102022140. Its totient is φ = 1002102022138.

The previous prime is 1002102022121. The next prime is 1002102022193. The reversal of 1002102022139 is 9312202012001.

It is a happy number.

Together with next prime (1002102022193) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002102022139 is a prime.

It is a super-2 number, since 2×1002102022139² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1002102022199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501051011069 + 501051011070.

It is an arithmetic number, because the mean of its divisors is an integer number (501051011070).

Almost surely, 2^{1002102022139} is an apocalyptic number.

1002102022139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002102022139 is an equidigital number, since it uses as much as digits as its factorization.

1002102022139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 1002102022139 in words is "one trillion, two billion, one hundred two million, twenty-two thousand, one hundred thirty-nine".