11222220210120 has 80 divisors (see below), whose sum is σ = 37719129050460. Its totient is φ = 2992592055168.

The previous prime is 11222220210073. The next prime is 11222220210169. The reversal of 11222220210120 is 2101202222211.

It is a happy number.

11222220210120 is a `hidden beast` number, since 1 + 1 + 222 + 220 + 210 + 12 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9916717442724 + 1305502767396 = 3149082^2 + 1142586^2 .

It is a super-3 number, since 3×11222220210120³ (a number of 40 digits) contains 333 as substring.

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 = 11222220210093 and 11222220210102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1731820867 + ... + 1731827346.

Almost surely, 2^{11222220210120} is an apocalyptic number.

11222220210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222220210120 is an abundant number, since it is smaller than the sum of its proper divisors (26496908840340).

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

11222220210120 is a wasteful number, since it uses less digits than its factorization.

11222220210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463648236 (or 3463648223 counting only the distinct ones).

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

Adding to 11222220210120 its reverse (2101202222211), we get a palindrome (13323422432331).

The spelling of 11222220210120 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty million, two hundred ten thousand, one hundred twenty".