101002111121239 has 2 divisors, whose sum is σ = 101002111121240. Its totient is φ = 101002111121238.

The previous prime is 101002111121209. The next prime is 101002111121267. The reversal of 101002111121239 is 932121111200101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101002111121239 - 2²⁷ = 101001976903511 is a prime.

It is a super-2 number, since 2×101002111121239² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101002111121209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50501055560619 + 50501055560620.

It is an arithmetic number, because the mean of its divisors is an integer number (50501055560620).

Almost surely, 2^{101002111121239} is an apocalyptic number.

101002111121239 is a deficient number, since it is larger than the sum of its proper divisors (1).

101002111121239 is an equidigital number, since it uses as much as digits as its factorization.

101002111121239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 25.

The spelling of 101002111121239 in words is "one hundred one trillion, two billion, one hundred eleven million, one hundred twenty-one thousand, two hundred thirty-nine".