1123221232102 has 4 divisors (see below), whose sum is σ = 1684831848156. Its totient is φ = 561610616050.

The previous prime is 1123221232037. The next prime is 1123221232109. The reversal of 1123221232102 is 2012321223211.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123221232109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280805308024 + ... + 280805308027.

It is an arithmetic number, because the mean of its divisors is an integer number (421207962039).

Almost surely, 2^{1123221232102} is an apocalyptic number.

1123221232102 is a deficient number, since it is larger than the sum of its proper divisors (561610616054).

1123221232102 is an equidigital number, since it uses as much as digits as its factorization.

1123221232102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561610616053.

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

Adding to 1123221232102 its reverse (2012321223211), we get a palindrome (3135542455313).

The spelling of 1123221232102 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-one million, two hundred thirty-two thousand, one hundred two".