121233321121144 has 32 divisors (see below), whose sum is σ = 227350897712640. Its totient is φ = 60606415900800.

The previous prime is 121233321121139. The next prime is 121233321121183. The reversal of 121233321121144 is 441121123332121.

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, 1687956754 + ... + 1688028574.

It is an arithmetic number, because the mean of its divisors is an integer number (7104715553520).

Almost surely, 2^{121233321121144} is an apocalyptic number.

It is an amenable number.

121233321121144 is a deficient number, since it is larger than the sum of its proper divisors (106117576591496).

121233321121144 is a wasteful number, since it uses less digits than its factorization.

121233321121144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104551 (or 104547 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

Adding to 121233321121144 its reverse (441121123332121), we get a palindrome (562354444453265).

The spelling of 121233321121144 in words is "one hundred twenty-one trillion, two hundred thirty-three billion, three hundred twenty-one million, one hundred twenty-one thousand, one hundred forty-four".