100401211042 has 16 divisors (see below), whose sum is σ = 164300285952. Its totient is φ = 45634859920.

The previous prime is 100401210941. The next prime is 100401211051. The reversal of 100401211042 is 240112104001.

It is a happy 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, 467508 + ... + 647584.

It is an arithmetic number, because the mean of its divisors is an integer number (10268767872).

Almost surely, 2^100401211042 is an apocalyptic number.

100401211042 is a deficient number, since it is larger than the sum of its proper divisors (63899074910).

100401211042 is a wasteful number, since it uses less digits than its factorization.

100401211042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205433.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100401211042 its reverse (240112104001), we get a palindrome (340513315043).

The spelling of 100401211042 in words is "one hundred billion, four hundred one million, two hundred eleven thousand, forty-two".