1123021122 has 32 divisors (see below), whose sum is σ = 2396915712. Its totient is φ = 349542144.

The previous prime is 1123021111. The next prime is 1123021127. The reversal of 1123021122 is 2211203211.

It is a super-2 number, since 2×1123021122² = 2522352880916277768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123021127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30393 + ... + 56300.

It is an arithmetic number, because the mean of its divisors is an integer number (74903616).

Almost surely, 2^1123021122 is an apocalyptic number.

1123021122 is an abundant number, since it is smaller than the sum of its proper divisors (1273894590).

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

1123021122 is a wasteful number, since it uses less digits than its factorization.

1123021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86842.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1123021122 is about 33511.5073071923. The cubic root of 1123021122 is about 1039.4317414571.

Adding to 1123021122 its reverse (2211203211), we get a palindrome (3334224333).

The spelling of 1123021122 in words is "one billion, one hundred twenty-three million, twenty-one thousand, one hundred twenty-two".