121330242844442 has 8 divisors (see below), whose sum is σ = 182919198603636. Its totient is φ = 60357176643232.

The previous prime is 121330242844379. The next prime is 121330242844463. The reversal of 121330242844442 is 244448242033121.

It can be written as a sum of positive squares in 2 ways, for example, as 96247264103761 + 25082978740681 = 9810569^2 + 5008291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 121330242844393 and 121330242844402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153972389003 + ... + 153972389790.

Almost surely, 2^{121330242844442} is an apocalyptic number.

121330242844442 is a deficient number, since it is larger than the sum of its proper divisors (61588955759194).

121330242844442 is a wasteful number, since it uses less digits than its factorization.

121330242844442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307944778992.

The product of its (nonzero) digits is 1179648, while the sum is 44.

Adding to 121330242844442 its reverse (244448242033121), we get a palindrome (365778484877563).

The spelling of 121330242844442 in words is "one hundred twenty-one trillion, three hundred thirty billion, two hundred forty-two million, eight hundred forty-four thousand, four hundred forty-two".