252111244100 has 36 divisors (see below), whose sum is σ = 547459793664. Its totient is φ = 100774747680.

The previous prime is 252111244019. The next prime is 252111244123. The reversal of 252111244100 is 1442111252.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 726452 + ... + 1015851.

Almost surely, 2^252111244100 is an apocalyptic number.

252111244100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252111244100 is an abundant number, since it is smaller than the sum of its proper divisors (295348549564).

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

252111244100 is a wasteful number, since it uses less digits than its factorization.

252111244100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743764 (or 1743757 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 252111244100 its reverse (1442111252), we get a palindrome (253553355352).

The spelling of 252111244100 in words is "two hundred fifty-two billion, one hundred eleven million, two hundred forty-four thousand, one hundred".