111202200020091 has 8 divisors (see below), whose sum is σ = 148383390976000. Its totient is φ = 74077904538792.

The previous prime is 111202200020047. The next prime is 111202200020099. The reversal of 111202200020091 is 190020002202111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111202200020091 - 2¹⁷ = 111202199889019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111202200020099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14223864091 + ... + 14223871908.

It is an arithmetic number, because the mean of its divisors is an integer number (18547923872000).

Almost surely, 2^{111202200020091} is an apocalyptic number.

111202200020091 is a deficient number, since it is larger than the sum of its proper divisors (37181190955909).

111202200020091 is a wasteful number, since it uses less digits than its factorization.

111202200020091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28447737305.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 111202200020091 in words is "one hundred eleven trillion, two hundred two billion, two hundred million, twenty thousand, ninety-one".