272921200100 has 36 divisors (see below), whose sum is σ = 598102778868. Its totient is φ = 108087600000.

The previous prime is 272921200099. The next prime is 272921200147. The reversal of 272921200100 is 1002129272.

It can be written as a sum of positive squares in 6 ways, for example, as 2246570404 + 270674629696 = 47398^2 + 520264^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 272921200100.

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, 13500851 + ... + 13521050.

Almost surely, 2^272921200100 is an apocalyptic number.

272921200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272921200100 is an abundant number, since it is smaller than the sum of its proper divisors (325181578768).

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

272921200100 is a wasteful number, since it uses less digits than its factorization.

272921200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27022016 (or 27022009 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 272921200100 its reverse (1002129272), we get a palindrome (273923329372).

The spelling of 272921200100 in words is "two hundred seventy-two billion, nine hundred twenty-one million, two hundred thousand, one hundred".