11122202021220 has 72 divisors (see below), whose sum is σ = 33782269772160. Its totient is φ = 2961971208000.

The previous prime is 11122202021219. The next prime is 11122202021261. The reversal of 11122202021220 is 2212020222111.

It is a happy number.

11122202021220 is a `hidden beast` number, since 11 + 12 + 220 + 202 + 1 + 220 = 666.

11122202021220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11122202021193 and 11122202021202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41003310 + ... + 41273669.

It is an arithmetic number, because the mean of its divisors is an integer number (469198191280).

Almost surely, 2^{11122202021220} is an apocalyptic number.

11122202021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122202021220 is an abundant number, since it is smaller than the sum of its proper divisors (22660067750940).

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

11122202021220 is a wasteful number, since it uses less digits than its factorization.

11122202021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82277745 (or 82277740 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11122202021220 its reverse (2212020222111), we get a palindrome (13334222243331).

The spelling of 11122202021220 in words is "eleven trillion, one hundred twenty-two billion, two hundred two million, twenty-one thousand, two hundred twenty".