111401000421 has 4 divisors (see below), whose sum is σ = 148534667232. Its totient is φ = 74267333612.

The previous prime is 111401000407. The next prime is 111401000423. The reversal of 111401000421 is 124000104111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111401000421 - 2⁹ = 111400999909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111401000421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111401000423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18566833401 + ... + 18566833406.

It is an arithmetic number, because the mean of its divisors is an integer number (37133666808).

Almost surely, 2^111401000421 is an apocalyptic number.

It is an amenable number.

111401000421 is a deficient number, since it is larger than the sum of its proper divisors (37133666811).

111401000421 is an equidigital number, since it uses as much as digits as its factorization.

111401000421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37133666810.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111401000421 its reverse (124000104111), we get a palindrome (235401104532).

The spelling of 111401000421 in words is "one hundred eleven billion, four hundred one million, four hundred twenty-one", and thus it is an aban number.