100031221042 has 8 divisors (see below), whose sum is σ = 154887052032. Its totient is φ = 48402203700.

The previous prime is 100031220979. The next prime is 100031221051. The reversal of 100031221042 is 240122130001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 806703334 + ... + 806703457.

It is an arithmetic number, because the mean of its divisors is an integer number (19360881504).

Almost surely, 2^100031221042 is an apocalyptic number.

100031221042 is a deficient number, since it is larger than the sum of its proper divisors (54855830990).

100031221042 is a wasteful number, since it uses less digits than its factorization.

100031221042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613406824.

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

Adding to 100031221042 its reverse (240122130001), we get a palindrome (340153351043).

The spelling of 100031221042 in words is "one hundred billion, thirty-one million, two hundred twenty-one thousand, forty-two".