1121122122 has 64 divisors (see below), whose sum is σ = 2349139968. Its totient is φ = 356400000.

The previous prime is 1121122117. The next prime is 1121122129. The reversal of 1121122122 is 2212211211.

1121122122 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1121122129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4136847 + ... + 4137117.

It is an arithmetic number, because the mean of its divisors is an integer number (36705312).

Almost surely, 2^1121122122 is an apocalyptic number.

1121122122 is an abundant number, since it is smaller than the sum of its proper divisors (1228017846).

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

1121122122 is a wasteful number, since it uses less digits than its factorization.

1121122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635.

The product of its digits is 32, while the sum is 15.

The square root of 1121122122 is about 33483.1617682679. The cubic root of 1121122122 is about 1038.8455267431.

Adding to 1121122122 its reverse (2212211211), we get a palindrome (3333333333).

It can be divided in two parts, 11211 and 22122, that added together give a palindrome (33333).

The spelling of 1121122122 in words is "one billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty-two".