220220110091 has 8 divisors (see below), whose sum is σ = 233289191520. Its totient is φ = 207163801728.

The previous prime is 220220110073. The next prime is 220220110127. The reversal of 220220110091 is 190011022022.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-220220110091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220220110031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3157751 + ... + 3226736.

It is an arithmetic number, because the mean of its divisors is an integer number (29161148940).

Almost surely, 2^220220110091 is an apocalyptic number.

220220110091 is a deficient number, since it is larger than the sum of its proper divisors (13069081429).

220220110091 is a wasteful number, since it uses less digits than its factorization.

220220110091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6386533.

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

The spelling of 220220110091 in words is "two hundred twenty billion, two hundred twenty million, one hundred ten thousand, ninety-one".