11022221100120 has 32 divisors (see below), whose sum is σ = 33066663300720. Its totient is φ = 2939258960000.

The previous prime is 11022221100113. The next prime is 11022221100181. The reversal of 11022221100120 is 2100112222011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11022221100120.

It is a congruent number.

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, 45925921131 + ... + 45925921370.

Almost surely, 2^{11022221100120} is an apocalyptic number.

11022221100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022221100120 is an abundant number, since it is smaller than the sum of its proper divisors (22044442200600).

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

11022221100120 is a wasteful number, since it uses less digits than its factorization.

11022221100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91851842515 (or 91851842511 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11022221100120 its reverse (2100112222011), we get a palindrome (13122333322131).

The spelling of 11022221100120 in words is "eleven trillion, twenty-two billion, two hundred twenty-one million, one hundred thousand, one hundred twenty".