1109890122100 has 36 divisors (see below), whose sum is σ = 2427425857024. Its totient is φ = 440460326880.

The previous prime is 1109890122091. The next prime is 1109890122119. The reversal of 1109890122100 is 12210989011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43683762 + ... + 43709161.

Almost surely, 2^{1109890122100} is an apocalyptic number.

1109890122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1109890122100 is an abundant number, since it is smaller than the sum of its proper divisors (1317535734924).

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

1109890122100 is a wasteful number, since it uses less digits than its factorization.

1109890122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87393064 (or 87393057 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 34.

The spelling of 1109890122100 in words is "one trillion, one hundred nine billion, eight hundred ninety million, one hundred twenty-two thousand, one hundred".