101099574239189 has 2 divisors, whose sum is σ = 101099574239190. Its totient is φ = 101099574239188.

The previous prime is 101099574239149. The next prime is 101099574239201. The reversal of 101099574239189 is 981932475990101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72745461519025 + 28354112720164 = 8529095^2 + 5324858^2 .

It is a cyclic number.

It is not a de Polignac number, because 101099574239189 - 2⁴⁴ = 83507388194773 is a prime.

It is a super-2 number, since 2×101099574239189² (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 (101099574239119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50549787119594 + 50549787119595.

It is an arithmetic number, because the mean of its divisors is an integer number (50549787119595).

Almost surely, 2^{101099574239189} is an apocalyptic number.

It is an amenable number.

101099574239189 is a deficient number, since it is larger than the sum of its proper divisors (1).

101099574239189 is an equidigital number, since it uses as much as digits as its factorization.

101099574239189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44089920, while the sum is 68.

The spelling of 101099574239189 in words is "one hundred one trillion, ninety-nine billion, five hundred seventy-four million, two hundred thirty-nine thousand, one hundred eighty-nine".