11220300091 has 32 divisors (see below), whose sum is σ = 15083712000. Its totient is φ = 8060532480.

The previous prime is 11220300089. The next prime is 11220300107. The reversal of 11220300091 is 19000302211.

It is not a de Polignac number, because 11220300091 - 2¹ = 11220300089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11220300391) 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, 853335 + ... + 866383.

It is an arithmetic number, because the mean of its divisors is an integer number (471366000).

Almost surely, 2^11220300091 is an apocalyptic number.

11220300091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11220300091 is a deficient number, since it is larger than the sum of its proper divisors (3863411909).

11220300091 is a wasteful number, since it uses less digits than its factorization.

11220300091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13939.

The product of its (nonzero) digits is 108, while the sum is 19.

The spelling of 11220300091 in words is "eleven billion, two hundred twenty million, three hundred thousand, ninety-one".