421111101111104 has 28 divisors (see below), whose sum is σ = 835859560976544. Its totient is φ = 210500818030464.

The previous prime is 421111101111089. The next prime is 421111101111137. The reversal of 421111101111104 is 401111101111124.

It is a congruent number.

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, 854947574 + ... + 855439989.

Almost surely, 2^{421111101111104} is an apocalyptic number.

It is an amenable number.

421111101111104 is a deficient number, since it is larger than the sum of its proper divisors (414748459865440).

421111101111104 is a wasteful number, since it uses less digits than its factorization.

421111101111104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710391422 (or 1710391412 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 20.

Adding to 421111101111104 its sum of digits (20), we get a palindrome (421111101111124).

Adding to 421111101111104 its reverse (401111101111124), we get a palindrome (822222202222228).

The spelling of 421111101111104 in words is "four hundred twenty-one trillion, one hundred eleven billion, one hundred one million, one hundred eleven thousand, one hundred four".