1103231212122 has 96 divisors (see below), whose sum is σ = 2516578053120. Its totient is φ = 321387393600.

The previous prime is 1103231212117. The next prime is 1103231212183. The reversal of 1103231212122 is 2212121323011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32099247 + ... + 32133597.

It is an arithmetic number, because the mean of its divisors is an integer number (26214354720).

Almost surely, 2^{1103231212122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1103231212122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1258289026560).

1103231212122 is an abundant number, since it is smaller than the sum of its proper divisors (1413346840998).

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

1103231212122 is a wasteful number, since it uses less digits than its factorization.

1103231212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36068 (or 36055 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1103231212122 its reverse (2212121323011), we get a palindrome (3315352535133).

The spelling of 1103231212122 in words is "one trillion, one hundred three billion, two hundred thirty-one million, two hundred twelve thousand, one hundred twenty-two".