101001212112139 has 2 divisors, whose sum is σ = 101001212112140. Its totient is φ = 101001212112138.

The previous prime is 101001212112061. The next prime is 101001212112161. The reversal of 101001212112139 is 931211212100101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101001212112139 - 2⁷ = 101001212112011 is a prime.

It is a super-2 number, since 2×101001212112139² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101001212119139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500606056069 + 50500606056070.

It is an arithmetic number, because the mean of its divisors is an integer number (50500606056070).

Almost surely, 2^{101001212112139} is an apocalyptic number.

101001212112139 is a deficient number, since it is larger than the sum of its proper divisors (1).

101001212112139 is an equidigital number, since it uses as much as digits as its factorization.

101001212112139 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 101001212112139 in words is "one hundred one trillion, one billion, two hundred twelve million, one hundred twelve thousand, one hundred thirty-nine".