11121022212200 has 48 divisors (see below), whose sum is σ = 26487019995660. Its totient is φ = 4339911104000.

The previous prime is 11121022212161. The next prime is 11121022212227. The reversal of 11121022212200 is 221222012111.

It can be written as a sum of positive squares in 6 ways, for example, as 3412214339524 + 7708807872676 = 1847218^2 + 2776474^2 .

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, 678102911 + ... + 678119310.

Almost surely, 2^{11121022212200} is an apocalyptic number.

11121022212200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121022212200 is an abundant number, since it is smaller than the sum of its proper divisors (15365997783460).

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

11121022212200 is a wasteful number, since it uses less digits than its factorization.

11121022212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356222278 (or 1356222269 counting only the distinct ones).

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

Adding to 11121022212200 its reverse (221222012111), we get a palindrome (11342244224311).

The spelling of 11121022212200 in words is "eleven trillion, one hundred twenty-one billion, twenty-two million, two hundred twelve thousand, two hundred".