225001101100 has 72 divisors (see below), whose sum is σ = 489928642560. Its totient is φ = 89691996480.

The previous prime is 225001101097. The next prime is 225001101109. The reversal of 225001101100 is 1101100522.

It is not an unprimeable number, because it can be changed into a prime (225001101109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41334979 + ... + 41340421.

It is an arithmetic number, because the mean of its divisors is an integer number (6804564480).

Almost surely, 2^225001101100 is an apocalyptic number.

225001101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225001101100 is an abundant number, since it is smaller than the sum of its proper divisors (264927541460).

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

225001101100 is a wasteful number, since it uses less digits than its factorization.

225001101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6799 (or 6792 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 13.

Adding to 225001101100 its reverse (1101100522), we get a palindrome (226102201622).

It can be divided in two parts, 22500 and 1101100, that added together give a square (1123600 = 1060²).

The spelling of 225001101100 in words is "two hundred twenty-five billion, one million, one hundred one thousand, one hundred".