100322021042 has 64 divisors (see below), whose sum is σ = 160770355200. Its totient is φ = 46888072320.

The previous prime is 100322021029. The next prime is 100322021047. The reversal of 100322021042 is 240120223001.

It is a self number, because there is not a number n which added to its sum of digits gives 100322021042.

It is not an unprimeable number, because it can be changed into a prime (100322021047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64349459 + ... + 64351017.

It is an arithmetic number, because the mean of its divisors is an integer number (2512036800).

Almost surely, 2^100322021042 is an apocalyptic number.

100322021042 is a deficient number, since it is larger than the sum of its proper divisors (60448334158).

100322021042 is a wasteful number, since it uses less digits than its factorization.

100322021042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 100322021042 its reverse (240120223001), we get a palindrome (340442244043).

The spelling of 100322021042 in words is "one hundred billion, three hundred twenty-two million, twenty-one thousand, forty-two".