11121200022 has 32 divisors (see below), whose sum is σ = 22477340160. Its totient is φ = 3668004000.

The previous prime is 11121200009. The next prime is 11121200047. The reversal of 11121200022 is 22000212111.

It is a junction number, because it is equal to n+sod(n) for n = 11121199980 and 11121200007.

It is a congruent number.

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, 479833 + ... + 502475.

It is an arithmetic number, because the mean of its divisors is an integer number (702416880).

Almost surely, 2^11121200022 is an apocalyptic number.

11121200022 is an abundant number, since it is smaller than the sum of its proper divisors (11356140138).

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

11121200022 is a wasteful number, since it uses less digits than its factorization.

11121200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23508.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11121200022 its reverse (22000212111), we get a palindrome (33121412133).

The spelling of 11121200022 in words is "eleven billion, one hundred twenty-one million, two hundred thousand, twenty-two".