101031041102042 has 4 divisors (see below), whose sum is σ = 151546561653066. Its totient is φ = 50515520551020.

The previous prime is 101031041102041. The next prime is 101031041102083. The reversal of 101031041102042 is 240201140130101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 100925109730201 + 105931371841 = 10046149^2 + 325471^2 .

It is not an unprimeable number, because it can be changed into a prime (101031041102041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25257760275509 + ... + 25257760275512.

Almost surely, 2^{101031041102042} is an apocalyptic number.

101031041102042 is a deficient number, since it is larger than the sum of its proper divisors (50515520551024).

101031041102042 is an equidigital number, since it uses as much as digits as its factorization.

101031041102042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50515520551023.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 101031041102042 its reverse (240201140130101), we get a palindrome (341232181232143).

The spelling of 101031041102042 in words is "one hundred one trillion, thirty-one billion, forty-one million, one hundred two thousand, forty-two".