101142142042 has 16 divisors (see below), whose sum is σ = 152268779880. Its totient is φ = 50386033152.

The previous prime is 101142142021. The next prime is 101142142063. The reversal of 101142142042 is 240241241101.

It is an interprime number because it is at equal distance from previous prime (101142142021) and next prime (101142142063).

It can be written as a sum of positive squares in 4 ways, for example, as 71781662241 + 29360479801 = 267921^2 + 171349^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1348834 + ... + 1421842.

Almost surely, 2^101142142042 is an apocalyptic number.

101142142042 is a deficient number, since it is larger than the sum of its proper divisors (51126637838).

101142142042 is a wasteful number, since it uses less digits than its factorization.

101142142042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75537.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 101142142042 its reverse (240241241101), we get a palindrome (341383383143).

The spelling of 101142142042 in words is "one hundred one billion, one hundred forty-two million, one hundred forty-two thousand, forty-two".