1111121122 has 48 divisors (see below), whose sum is σ = 1860999840. Its totient is φ = 495766656.

The previous prime is 1111121119. The next prime is 1111121149. The reversal of 1111121122 is 2211211111.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2931529 + ... + 2931907.

It is an arithmetic number, because the mean of its divisors is an integer number (38770830).

Almost surely, 2^1111121122 is an apocalyptic number.

1111121122 is a deficient number, since it is larger than the sum of its proper divisors (749878718).

1111121122 is a wasteful number, since it uses less digits than its factorization.

1111121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 584 counting only the distinct ones).

The product of its digits is 8, while the sum is 13.

The square root of 1111121122 is about 33333.4834963284. The cubic root of 1111121122 is about 1035.7472792579.

Adding to 1111121122 its reverse (2211211111), we get a palindrome (3322332233).

The spelling of 1111121122 in words is "one billion, one hundred eleven million, one hundred twenty-one thousand, one hundred twenty-two".