11122122022220 has 36 divisors (see below), whose sum is σ = 25672799020512. Its totient is φ = 4044408007200.

The previous prime is 11122122022217. The next prime is 11122122022243. The reversal of 11122122022220 is 2222022122111.

It is a super-2 number, since 2×11122122022220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11122122022192 and 11122122022201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2297956676 + ... + 2297961515.

Almost surely, 2^{11122122022220} is an apocalyptic number.

11122122022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122122022220 is an abundant number, since it is smaller than the sum of its proper divisors (14550676998292).

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

11122122022220 is a wasteful number, since it uses less digits than its factorization.

11122122022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4595918222 (or 4595918209 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11122122022220 its reverse (2222022122111), we get a palindrome (13344144144331).

The spelling of 11122122022220 in words is "eleven trillion, one hundred twenty-two billion, one hundred twenty-two million, twenty-two thousand, two hundred twenty".