109999890000 has 2400 divisors, whose sum is σ = 548183525120. Its totient is φ = 20528640000.

The previous prime is 109999889983. The next prime is 109999890017. The reversal of 109999890000 is 98999901.

It is an interprime number because it is at equal distance from previous prime (109999889983) and next prime (109999890017).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 2972969982 + ... + 2972970018.

Almost surely, 2^109999890000 is an apocalyptic number.

109999890000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109999890000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274091762560).

109999890000 is an abundant number, since it is smaller than the sum of its proper divisors (438183635120).

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

109999890000 is a wasteful number, since it uses less digits than its factorization.

109999890000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 54.

It can be divided in two parts, 109999 and 890000, that added together give a palindrome (999999).

The spelling of 109999890000 in words is "one hundred nine billion, nine hundred ninety-nine million, eight hundred ninety thousand".