11101001022220 has 24 divisors (see below), whose sum is σ = 23386581719424. Its totient is φ = 4426213823616.

The previous prime is 11101001022191. The next prime is 11101001022247. The reversal of 11101001022220 is 2222010010111.

It is a self number, because there is not a number n which added to its sum of digits gives 11101001022220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 886655164 + ... + 886667683.

It is an arithmetic number, because the mean of its divisors is an integer number (974440904976).

Almost surely, 2^{11101001022220} is an apocalyptic number.

11101001022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101001022220 is an abundant number, since it is smaller than the sum of its proper divisors (12285580697204).

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

11101001022220 is a wasteful number, since it uses less digits than its factorization.

11101001022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773323169 (or 1773323167 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11101001022220 its reverse (2222010010111), we get a palindrome (13323011032331).

The spelling of 11101001022220 in words is "eleven trillion, one hundred one billion, one million, twenty-two thousand, two hundred twenty".