225111420120 has 64 divisors (see below), whose sum is σ = 710878176000. Its totient is φ = 56870252928.

The previous prime is 225111420077. The next prime is 225111420133. The reversal of 225111420120 is 21024111522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49364260 + ... + 49368819.

It is an arithmetic number, because the mean of its divisors is an integer number (11107471500).

Almost surely, 2^225111420120 is an apocalyptic number.

225111420120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225111420120 is an abundant number, since it is smaller than the sum of its proper divisors (485766755880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225111420120 is a wasteful number, since it uses less digits than its factorization.

225111420120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98733112 (or 98733108 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 225111420120 its reverse (21024111522), we get a palindrome (246135531642).

The spelling of 225111420120 in words is "two hundred twenty-five billion, one hundred eleven million, four hundred twenty thousand, one hundred twenty".