110011201220 has 12 divisors (see below), whose sum is σ = 231023522604. Its totient is φ = 44004480480.

The previous prime is 110011201219. The next prime is 110011201243. The reversal of 110011201220 is 22102110011.

It can be written as a sum of positive squares in 2 ways, for example, as 24860459584 + 85150741636 = 157672^2 + 291806^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2750280011 + ... + 2750280050.

It is an arithmetic number, because the mean of its divisors is an integer number (19251960217).

Almost surely, 2^110011201220 is an apocalyptic number.

110011201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110011201220 is an abundant number, since it is smaller than the sum of its proper divisors (121012321384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

110011201220 is a wasteful number, since it uses less digits than its factorization.

110011201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500560070 (or 5500560068 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 110011201220 its reverse (22102110011), we get a palindrome (132113311231).

The spelling of 110011201220 in words is "one hundred ten billion, eleven million, two hundred one thousand, two hundred twenty".