100401193922 has 4 divisors (see below), whose sum is σ = 150601790886. Its totient is φ = 50200596960.

The previous prime is 100401193873. The next prime is 100401194057. The reversal of 100401193922 is 229391104001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 85124481121 + 15276712801 = 291761^2 + 123599^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25100298479 + ... + 25100298482.

Almost surely, 2^100401193922 is an apocalyptic number.

100401193922 is a deficient number, since it is larger than the sum of its proper divisors (50200596964).

100401193922 is an equidigital number, since it uses as much as digits as its factorization.

100401193922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50200596963.

The product of its (nonzero) digits is 3888, while the sum is 32.

Adding to 100401193922 its reverse (229391104001), we get a palindrome (329792297923).

The spelling of 100401193922 in words is "one hundred billion, four hundred one million, one hundred ninety-three thousand, nine hundred twenty-two".