1100222221992 has 32 divisors (see below), whose sum is σ = 2750582446080. Its totient is φ = 366737155200.

The previous prime is 1100222221991. The next prime is 1100222221993. The reversal of 1100222221992 is 2991222220011.

It is an interprime number because it is at equal distance from previous prime (1100222221991) and next prime (1100222221993).

It is not an unprimeable number, because it can be changed into a prime (1100222221991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3645708 + ... + 3935940.

It is an arithmetic number, because the mean of its divisors is an integer number (85955701440).

Almost surely, 2^{1100222221992} is an apocalyptic number.

1100222221992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100222221992 is an abundant number, since it is smaller than the sum of its proper divisors (1650360224088).

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

1100222221992 is a wasteful number, since it uses less digits than its factorization.

1100222221992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448193 (or 448189 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 1100222221992 in words is "one trillion, one hundred billion, two hundred twenty-two million, two hundred twenty-one thousand, nine hundred ninety-two".