110442404421 has 32 divisors (see below), whose sum is σ = 168612998400. Its totient is φ = 71402204160.

The previous prime is 110442404411. The next prime is 110442404431. The reversal of 110442404421 is 124404244011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (110442404411) and next prime (110442404431).

It is not a de Polignac number, because 110442404421 - 2⁵ = 110442404389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110442404411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113836 + ... + 483573.

It is an arithmetic number, because the mean of its divisors is an integer number (5269156200).

Almost surely, 2^110442404421 is an apocalyptic number.

It is an amenable number.

110442404421 is a deficient number, since it is larger than the sum of its proper divisors (58170593979).

110442404421 is a wasteful number, since it uses less digits than its factorization.

110442404421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597626 (or 597620 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 110442404421 its reverse (124404244011), we get a palindrome (234846648432).

The spelling of 110442404421 in words is "one hundred ten billion, four hundred forty-two million, four hundred four thousand, four hundred twenty-one".