1021133112200 has 24 divisors (see below), whose sum is σ = 2374134486330. Its totient is φ = 408453244800.

The previous prime is 1021133112193. The next prime is 1021133112217. The reversal of 1021133112200 is 22113311201.

It can be written as a sum of positive squares in 3 ways, for example, as 923555596324 + 97577515876 = 961018^2 + 312374^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2552832581 + ... + 2552832980.

Almost surely, 2^{1021133112200} is an apocalyptic number.

1021133112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021133112200 is an abundant number, since it is smaller than the sum of its proper divisors (1353001374130).

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

1021133112200 is a wasteful number, since it uses less digits than its factorization.

1021133112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5105665577 (or 5105665568 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1021133112200 its reverse (22113311201), we get a palindrome (1043246423401).

The spelling of 1021133112200 in words is "one trillion, twenty-one billion, one hundred thirty-three million, one hundred twelve thousand, two hundred".