109200910191 has 16 divisors (see below), whose sum is σ = 147784629600. Its totient is φ = 71714981888.

The previous prime is 109200910171. The next prime is 109200910199. The reversal of 109200910191 is 191019002901.

It is a cyclic number.

It is not a de Polignac number, because 109200910191 - 2¹⁷ = 109200779119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109200910199) 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, 688386 + ... + 832031.

It is an arithmetic number, because the mean of its divisors is an integer number (9236539350).

Almost surely, 2^109200910191 is an apocalyptic number.

109200910191 is a deficient number, since it is larger than the sum of its proper divisors (38583719409).

109200910191 is a wasteful number, since it uses less digits than its factorization.

109200910191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520778.

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

The spelling of 109200910191 in words is "one hundred nine billion, two hundred million, nine hundred ten thousand, one hundred ninety-one".