112220020091 has 16 divisors (see below), whose sum is σ = 115284519168. Its totient is φ = 109204524000.

The previous prime is 112220020069. The next prime is 112220020097. The reversal of 112220020091 is 190020022211.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112220020091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112220020097) 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, 1800536 + ... + 1861818.

It is an arithmetic number, because the mean of its divisors is an integer number (7205282448).

Almost surely, 2^112220020091 is an apocalyptic number.

112220020091 is a deficient number, since it is larger than the sum of its proper divisors (3064499077).

112220020091 is a wasteful number, since it uses less digits than its factorization.

112220020091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61682.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 112220020091 in words is "one hundred twelve billion, two hundred twenty million, twenty thousand, ninety-one".