121234331131122 has 64 divisors (see below), whose sum is σ = 266437860756480. Its totient is φ = 36470140660800.

The previous prime is 121234331131079. The next prime is 121234331131127. The reversal of 121234331131122 is 221131133432121.

It is a self number, because there is not a number n which added to its sum of digits gives 121234331131122.

It is not an unprimeable number, because it can be changed into a prime (121234331131127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103847172 + ... + 105008112.

It is an arithmetic number, because the mean of its divisors is an integer number (4163091574320).

Almost surely, 2^{121234331131122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121234331131122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133218930378240).

121234331131122 is an abundant number, since it is smaller than the sum of its proper divisors (145203529625358).

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

121234331131122 is a wasteful number, since it uses less digits than its factorization.

121234331131122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172479.

The product of its digits is 5184, while the sum is 30.

Adding to 121234331131122 its reverse (221131133432121), we get a palindrome (342365464563243).

The spelling of 121234331131122 in words is "one hundred twenty-one trillion, two hundred thirty-four billion, three hundred thirty-one million, one hundred thirty-one thousand, one hundred twenty-two".