110200019991 has 16 divisors (see below), whose sum is σ = 155920446720. Its totient is φ = 69081415040.

The previous prime is 110200019983. The next prime is 110200020001. The reversal of 110200019991 is 199910002011.

It is a cyclic number.

It is not a de Polignac number, because 110200019991 - 2³ = 110200019983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110200019911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13530690 + ... + 13538831.

It is an arithmetic number, because the mean of its divisors is an integer number (9745027920).

Almost surely, 2^110200019991 is an apocalyptic number.

110200019991 is a deficient number, since it is larger than the sum of its proper divisors (45720426729).

110200019991 is a wasteful number, since it uses less digits than its factorization.

110200019991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27069606.

The product of its (nonzero) digits is 1458, while the sum is 33.

The spelling of 110200019991 in words is "one hundred ten billion, two hundred million, nineteen thousand, nine hundred ninety-one".