1121022222028 has 12 divisors (see below), whose sum is σ = 1982013516952. Its totient is φ = 554732645760.

The previous prime is 1121022221989. The next prime is 1121022222029. The reversal of 1121022222028 is 8202222201211.

It is a junction number, because it is equal to n+sod(n) for n = 1121022221993 and 1121022222011.

It is not an unprimeable number, because it can be changed into a prime (1121022222029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444615878 + ... + 1444616653.

Almost surely, 2^{1121022222028} is an apocalyptic number.

It is an amenable number.

1121022222028 is a deficient number, since it is larger than the sum of its proper divisors (860991294924).

1121022222028 is a wasteful number, since it uses less digits than its factorization.

1121022222028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889232632 (or 2889232630 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 1121022222028 its reverse (8202222201211), we get a palindrome (9323244423239).

The spelling of 1121022222028 in words is "one trillion, one hundred twenty-one billion, twenty-two million, two hundred twenty-two thousand, twenty-eight".