111004352421 has 16 divisors (see below), whose sum is σ = 152072600064. Its totient is φ = 71971257024.

The previous prime is 111004352401. The next prime is 111004352423. The reversal of 111004352421 is 124253400111.

It is not a de Polignac number, because 111004352421 - 2³⁰ = 109930610597 is a prime.

It is a super-2 number, since 2×111004352421² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111004352391 and 111004352400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111004352423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36460 + ... + 472586.

It is an arithmetic number, because the mean of its divisors is an integer number (9504537504).

Almost surely, 2^111004352421 is an apocalyptic number.

It is an amenable number.

111004352421 is a deficient number, since it is larger than the sum of its proper divisors (41068247643).

111004352421 is a wasteful number, since it uses less digits than its factorization.

111004352421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438460.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 111004352421 its reverse (124253400111), we get a palindrome (235257752532).

The spelling of 111004352421 in words is "one hundred eleven billion, four million, three hundred fifty-two thousand, four hundred twenty-one".