1122220011200 has 84 divisors (see below), whose sum is σ = 2881421953680. Its totient is φ = 429371120640.

The previous prime is 1122220011181. The next prime is 1122220011287. The reversal of 1122220011200 is 21100222211.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15210755 + ... + 15284354.

Almost surely, 2^{1122220011200} is an apocalyptic number.

1122220011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122220011200 is an abundant number, since it is smaller than the sum of its proper divisors (1759201942480).

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

1122220011200 is a wasteful number, since it uses less digits than its factorization.

1122220011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30495154 (or 30495139 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1122220011200 its reverse (21100222211), we get a palindrome (1143320233411).

The spelling of 1122220011200 in words is "one trillion, one hundred twenty-two billion, two hundred twenty million, eleven thousand, two hundred".