11122402220 has 12 divisors (see below), whose sum is σ = 23357044704. Its totient is φ = 4448960880.

The previous prime is 11122402217. The next prime is 11122402253. The reversal of 11122402220 is 2220422111.

It is a super-2 number, since 2×11122402220² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278060036 + ... + 278060075.

It is an arithmetic number, because the mean of its divisors is an integer number (1946420392).

Almost surely, 2^11122402220 is an apocalyptic number.

11122402220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122402220 is an abundant number, since it is smaller than the sum of its proper divisors (12234642484).

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

11122402220 is a wasteful number, since it uses less digits than its factorization.

11122402220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556120120 (or 556120118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11122402220 its reverse (2220422111), we get a palindrome (13342824331).

The spelling of 11122402220 in words is "eleven billion, one hundred twenty-two million, four hundred two thousand, two hundred twenty".