100321021042 has 16 divisors (see below), whose sum is σ = 164575190592. Its totient is φ = 45485597520.

The previous prime is 100321021013. The next prime is 100321021057. The reversal of 100321021042 is 240120123001.

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, 5734398 + ... + 5751865.

It is an arithmetic number, because the mean of its divisors is an integer number (10285949412).

Almost surely, 2^100321021042 is an apocalyptic number.

100321021042 is a deficient number, since it is larger than the sum of its proper divisors (64254169550).

100321021042 is a wasteful number, since it uses less digits than its factorization.

100321021042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11486673.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 100321021042 its reverse (240120123001), we get a palindrome (340441144043).

The spelling of 100321021042 in words is "one hundred billion, three hundred twenty-one million, twenty-one thousand, forty-two".