1021210132200 has 96 divisors (see below), whose sum is σ = 3242964936960. Its totient is φ = 265680678400.

The previous prime is 1021210132171. The next prime is 1021210132219. The reversal of 1021210132200 is 22310121201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1021210132200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20731704 + ... + 20780903.

It is an arithmetic number, because the mean of its divisors is an integer number (33780884760).

Almost surely, 2^{1021210132200} is an apocalyptic number.

1021210132200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021210132200 is an abundant number, since it is smaller than the sum of its proper divisors (2221754804760).

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

1021210132200 is a wasteful number, since it uses less digits than its factorization.

1021210132200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41512667 (or 41512658 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1021210132200 its reverse (22310121201), we get a palindrome (1043520253401).

The spelling of 1021210132200 in words is "one trillion, twenty-one billion, two hundred ten million, one hundred thirty-two thousand, two hundred".