110443125421 has 8 divisors (see below), whose sum is σ = 110529216000. Its totient is φ = 110357070720.

The previous prime is 110443125371. The next prime is 110443125461. The reversal of 110443125421 is 124521344011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 110443125421 - 2²⁷ = 110308907693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110443125421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110443125461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9981190 + ... + 9992248.

It is an arithmetic number, because the mean of its divisors is an integer number (13816152000).

Almost surely, 2^110443125421 is an apocalyptic number.

It is an amenable number.

110443125421 is a deficient number, since it is larger than the sum of its proper divisors (86090579).

110443125421 is a wasteful number, since it uses less digits than its factorization.

110443125421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17939.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 110443125421 its reverse (124521344011), we get a palindrome (234964469432).

The spelling of 110443125421 in words is "one hundred ten billion, four hundred forty-three million, one hundred twenty-five thousand, four hundred twenty-one".