1002021112200 has 48 divisors (see below), whose sum is σ = 3106265449680. Its totient is φ = 267205629760.

The previous prime is 1002021112189. The next prime is 1002021112207. The reversal of 1002021112200 is 22111202001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1002021112207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 835016994 + ... + 835018193.

It is an arithmetic number, because the mean of its divisors is an integer number (64713863535).

Almost surely, 2^{1002021112200} is an apocalyptic number.

1002021112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002021112200 is an abundant number, since it is smaller than the sum of its proper divisors (2104244337480).

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

1002021112200 is a wasteful number, since it uses less digits than its factorization.

1002021112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670035206 (or 1670035197 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1002021112200 its reverse (22111202001), we get a palindrome (1024132314201).

The spelling of 1002021112200 in words is "one trillion, two billion, twenty-one million, one hundred twelve thousand, two hundred".