100042420222 has 16 divisors (see below), whose sum is σ = 157971675600. Its totient is φ = 47385527040.

The previous prime is 100042420147. The next prime is 100042420243. The reversal of 100042420222 is 222024240001.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 100042420222.

It is a congruent number.

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, 600804 + ... + 749032.

It is an arithmetic number, because the mean of its divisors is an integer number (9873229725).

Almost surely, 2^100042420222 is an apocalyptic number.

100042420222 is a deficient number, since it is larger than the sum of its proper divisors (57929255378).

100042420222 is a wasteful number, since it uses less digits than its factorization.

100042420222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166011.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 100042420222 its reverse (222024240001), we get a palindrome (322066660223).

The spelling of 100042420222 in words is "one hundred billion, forty-two million, four hundred twenty thousand, two hundred twenty-two".