200911109102 has 64 divisors (see below), whose sum is σ = 339061111488. Its totient is φ = 88519680000.

The previous prime is 200911109093. The next prime is 200911109107. The reversal of 200911109102 is 201901119002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200911109107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22217702 + ... + 22226742.

It is an arithmetic number, because the mean of its divisors is an integer number (5297829867).

Almost surely, 2^200911109102 is an apocalyptic number.

200911109102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200911109102 is a deficient number, since it is larger than the sum of its proper divisors (138150002386).

200911109102 is a wasteful number, since it uses less digits than its factorization.

200911109102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9365.

The product of its (nonzero) digits is 324, while the sum is 26.

It can be divided in two parts, 200911 and 109102, that added together give a palindrome (310013).

The spelling of 200911109102 in words is "two hundred billion, nine hundred eleven million, one hundred nine thousand, one hundred two".