225111332100 has 36 divisors (see below), whose sum is σ = 651322121744. Its totient is φ = 60029688480.

The previous prime is 225111332059. The next prime is 225111332101. The reversal of 225111332100 is 1233111522.

It is a super-2 number, since 2×225111332100² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225111332101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 375185254 + ... + 375185853.

Almost surely, 2^225111332100 is an apocalyptic number.

225111332100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225111332100 is an abundant number, since it is smaller than the sum of its proper divisors (426210789644).

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

225111332100 is a wasteful number, since it uses less digits than its factorization.

225111332100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750371124 (or 750371117 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 225111332100 its reverse (1233111522), we get a palindrome (226344443622).

The spelling of 225111332100 in words is "two hundred twenty-five billion, one hundred eleven million, three hundred thirty-two thousand, one hundred".