1021112002200 has 96 divisors (see below), whose sum is σ = 3193460226000. Its totient is φ = 269886812160.

The previous prime is 1021112002199. The next prime is 1021112002217. The reversal of 1021112002200 is 22002111201.

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

It is a congruent number.

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, 7462525 + ... + 7598124.

Almost surely, 2^{1021112002200} is an apocalyptic number.

1021112002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021112002200 is an abundant number, since it is smaller than the sum of its proper divisors (2172348223800).

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

1021112002200 is a wasteful number, since it uses less digits than its factorization.

1021112002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15060781 (or 15060772 counting only the distinct ones).

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

Adding to 1021112002200 its reverse (22002111201), we get a palindrome (1043114113401).

The spelling of 1021112002200 in words is "one trillion, twenty-one billion, one hundred twelve million, two thousand, two hundred".