1100001122120 has 32 divisors (see below), whose sum is σ = 2620590910200. Its totient is φ = 414118069248.

The previous prime is 1100001122117. The next prime is 1100001122153. The reversal of 1100001122120 is 212211000011.

It can be written as a sum of positive squares in 4 ways, for example, as 1096740940516 + 3260181604 = 1047254^2 + 57098^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808823675 + ... + 808825034.

Almost surely, 2^{1100001122120} is an apocalyptic number.

1100001122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100001122120 is an abundant number, since it is smaller than the sum of its proper divisors (1520589788080).

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

1100001122120 is a wasteful number, since it uses less digits than its factorization.

1100001122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617648737 (or 1617648733 counting only the distinct ones).

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

Adding to 1100001122120 its reverse (212211000011), we get a palindrome (1312212122131).

The spelling of 1100001122120 in words is "one trillion, one hundred billion, one million, one hundred twenty-two thousand, one hundred twenty".