110421004025 has 12 divisors (see below), whose sum is σ = 136926249552. Its totient is φ = 88334090640.

The previous prime is 110421004013. The next prime is 110421004027. The reversal of 110421004025 is 520400124011.

It is a happy number.

It is not a de Polignac number, because 110421004025 - 2⁸ = 110421003769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110421003988 and 110421004006.

It is not an unprimeable number, because it can be changed into a prime (110421004027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1317422 + ... + 1398728.

It is an arithmetic number, because the mean of its divisors is an integer number (11410520796).

Almost surely, 2^110421004025 is an apocalyptic number.

It is an amenable number.

110421004025 is a deficient number, since it is larger than the sum of its proper divisors (26505245527).

110421004025 is an equidigital number, since it uses as much as digits as its factorization.

110421004025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135640 (or 135635 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 110421004025 its reverse (520400124011), we get a palindrome (630821128036).

The spelling of 110421004025 in words is "one hundred ten billion, four hundred twenty-one million, four thousand, twenty-five".