11120332212 has 126 divisors (see below), whose sum is σ = 32072180994. Its totient is φ = 3369690720.

The previous prime is 11120332207. The next prime is 11120332229. The reversal of 11120332212 is 21223302111.

11120332212 is a `hidden beast` number, since 1 + 1 + 120 + 332 + 212 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7521052176 + 3599280036 = 86724^2 + 59994^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 337078 + ... + 368594.

It is an arithmetic number, because the mean of its divisors is an integer number (254541119).

Almost surely, 2^11120332212 is an apocalyptic number.

11120332212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11120332212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16036090497).

11120332212 is an abundant number, since it is smaller than the sum of its proper divisors (20951848782).

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

11120332212 is a wasteful number, since it uses less digits than its factorization.

11120332212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31561 (or 31533 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11120332212 its reverse (21223302111), we get a palindrome (32343634323).

The spelling of 11120332212 in words is "eleven billion, one hundred twenty million, three hundred thirty-two thousand, two hundred twelve".