1122211121122 has 24 divisors (see below), whose sum is σ = 2108770350876. Its totient is φ = 443951651808.

The previous prime is 1122211121093. The next prime is 1122211121179. The reversal of 1122211121122 is 2211211122211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1115873209801 + 6337911321 = 1056349^2 + 79611^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1122211121122.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 440426953 + ... + 440429500.

Almost surely, 2^{1122211121122} is an apocalyptic number.

1122211121122 is a deficient number, since it is larger than the sum of its proper divisors (986559229754).

1122211121122 is a wasteful number, since it uses less digits than its factorization.

1122211121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880856482 (or 880856475 counting only the distinct ones).

The product of its digits is 64, while the sum is 19.

Adding to 1122211121122 its reverse (2211211122211), we get a palindrome (3333422243333).

The spelling of 1122211121122 in words is "one trillion, one hundred twenty-two billion, two hundred eleven million, one hundred twenty-one thousand, one hundred twenty-two".