110402004421 has 4 divisors (see below), whose sum is σ = 110407331232. Its totient is φ = 110396677612.

The previous prime is 110402004413. The next prime is 110402004431. The reversal of 110402004421 is 124400204011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 124400204011 = 158791 ⋅783421.

It is a cyclic number.

It is not a de Polignac number, because 110402004421 - 2³ = 110402004413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110402004431) 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, 2632195 + ... + 2673808.

It is an arithmetic number, because the mean of its divisors is an integer number (27601832808).

Almost surely, 2^110402004421 is an apocalyptic number.

It is an amenable number.

110402004421 is a deficient number, since it is larger than the sum of its proper divisors (5326811).

110402004421 is an equidigital number, since it uses as much as digits as its factorization.

110402004421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5326810.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 110402004421 its reverse (124400204011), we get a palindrome (234802208432).

The spelling of 110402004421 in words is "one hundred ten billion, four hundred two million, four thousand, four hundred twenty-one".