11122210021220 has 48 divisors (see below), whose sum is σ = 23550938664960. Its totient is φ = 4411905853824.

The previous prime is 11122210021201. The next prime is 11122210021303. The reversal of 11122210021220 is 2212001222111.

11122210021220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11122210021220² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4798337 + ... + 6728183.

It is an arithmetic number, because the mean of its divisors is an integer number (490644555520).

Almost surely, 2^{11122210021220} is an apocalyptic number.

11122210021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122210021220 is an abundant number, since it is smaller than the sum of its proper divisors (12428728643740).

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

11122210021220 is a wasteful number, since it uses less digits than its factorization.

11122210021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932252 (or 1932250 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11122210021220 its reverse (2212001222111), we get a palindrome (13334211243331).

The spelling of 11122210021220 in words is "eleven trillion, one hundred twenty-two billion, two hundred ten million, twenty-one thousand, two hundred twenty".