1021111002200 has 24 divisors (see below), whose sum is σ = 2374083080580. Its totient is φ = 408444400800.

The previous prime is 1021111002193. The next prime is 1021111002217. The reversal of 1021111002200 is 22001111201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2552777306 + ... + 2552777705.

Almost surely, 2^{1021111002200} is an apocalyptic number.

1021111002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021111002200 is an abundant number, since it is smaller than the sum of its proper divisors (1352972078380).

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

1021111002200 is a wasteful number, since it uses less digits than its factorization.

1021111002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105555027 (or 5105555018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1021111002200 its reverse (22001111201), we get a palindrome (1043112113401).

The spelling of 1021111002200 in words is "one trillion, twenty-one billion, one hundred eleven million, two thousand, two hundred".