11121130223220 has 24 divisors (see below), whose sum is σ = 31139164625184. Its totient is φ = 2965634726176.

The previous prime is 11121130223197. The next prime is 11121130223227. The reversal of 11121130223220 is 2232203112111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121130223227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92676085134 + ... + 92676085253.

It is an arithmetic number, because the mean of its divisors is an integer number (1297465192716).

Almost surely, 2^{11121130223220} is an apocalyptic number.

11121130223220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121130223220 is an abundant number, since it is smaller than the sum of its proper divisors (20018034401964).

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

11121130223220 is a wasteful number, since it uses less digits than its factorization.

11121130223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185352170399 (or 185352170397 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11121130223220 its reverse (2232203112111), we get a palindrome (13353333335331).

The spelling of 11121130223220 in words is "eleven trillion, one hundred twenty-one billion, one hundred thirty million, two hundred twenty-three thousand, two hundred twenty".