11100120022220 has 48 divisors (see below), whose sum is σ = 23713366118400. Its totient is φ = 4363917856704.

The previous prime is 11100120022169. The next prime is 11100120022231. The reversal of 11100120022220 is 2222002100111.

It is a junction number, because it is equal to n+sod(n) for n = 11100120022195 and 11100120022204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20149370 + ... + 20692929.

It is an arithmetic number, because the mean of its divisors is an integer number (494028460800).

Almost surely, 2^{11100120022220} is an apocalyptic number.

11100120022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100120022220 is an abundant number, since it is smaller than the sum of its proper divisors (12613246096180).

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

11100120022220 is a wasteful number, since it uses less digits than its factorization.

11100120022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40842542 (or 40842540 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11100120022220 its reverse (2222002100111), we get a palindrome (13322122122331).

The spelling of 11100120022220 in words is "eleven trillion, one hundred billion, one hundred twenty million, twenty-two thousand, two hundred twenty".