100566224042 has 4 divisors (see below), whose sum is σ = 150849336066. Its totient is φ = 50283112020.

The previous prime is 100566224027. The next prime is 100566224069. The reversal of 100566224042 is 240422665001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240422665001 = 43913 ⋅5474977.

It can be written as a sum of positive squares in only one way, i.e., 99970424761 + 595799281 = 316181^2 + 24409^2 .

It is a super-2 number, since 2×100566224042² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25141556009 + ... + 25141556012.

Almost surely, 2^100566224042 is an apocalyptic number.

100566224042 is a deficient number, since it is larger than the sum of its proper divisors (50283112024).

100566224042 is an equidigital number, since it uses as much as digits as its factorization.

100566224042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50283112023.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 100566224042 its reverse (240422665001), we get a palindrome (340988889043).

The spelling of 100566224042 in words is "one hundred billion, five hundred sixty-six million, two hundred twenty-four thousand, forty-two".