1121022233212 has 24 divisors (see below), whose sum is σ = 2242116715104. Its totient is φ = 480422618112.

The previous prime is 1121022233179. The next prime is 1121022233273. The reversal of 1121022233212 is 2123322201211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261708 + ... + 1520044.

It is an arithmetic number, because the mean of its divisors is an integer number (93421529796).

Almost surely, 2^{1121022233212} is an apocalyptic number.

It is an amenable number.

1121022233212 is an abundant number, since it is smaller than the sum of its proper divisors (1121094481892).

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

1121022233212 is a wasteful number, since it uses less digits than its factorization.

1121022233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290165 (or 1290163 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1121022233212 its reverse (2123322201211), we get a palindrome (3244344434423).

The spelling of 1121022233212 in words is "one trillion, one hundred twenty-one billion, twenty-two million, two hundred thirty-three thousand, two hundred twelve".