1123221102212 has 96 divisors (see below), whose sum is σ = 2227626672768. Its totient is φ = 491212800000.

The previous prime is 1123221102203. The next prime is 1123221102217. The reversal of 1123221102212 is 2122011223211.

It is not an unprimeable number, because it can be changed into a prime (1123221102217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22475012 + ... + 22524932.

It is an arithmetic number, because the mean of its divisors is an integer number (23204444508).

Almost surely, 2^{1123221102212} is an apocalyptic number.

It is an amenable number.

1123221102212 is a deficient number, since it is larger than the sum of its proper divisors (1104405570556).

1123221102212 is a wasteful number, since it uses less digits than its factorization.

1123221102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50181 (or 50179 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1123221102212 its reverse (2122011223211), we get a palindrome (3245232325423).

The spelling of 1123221102212 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-one million, one hundred two thousand, two hundred twelve".