121122344242 has 16 divisors (see below), whose sum is σ = 183218872320. Its totient is φ = 60049932768.

The previous prime is 121122344207. The next prime is 121122344267. The reversal of 121122344242 is 242443221121.

It is a self number, because there is not a number n which added to its sum of digits gives 121122344242.

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, 311238 + ... + 582334.

It is an arithmetic number, because the mean of its divisors is an integer number (11451179520).

Almost surely, 2^121122344242 is an apocalyptic number.

121122344242 is a deficient number, since it is larger than the sum of its proper divisors (62096528078).

121122344242 is a wasteful number, since it uses less digits than its factorization.

121122344242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272985.

The product of its digits is 6144, while the sum is 28.

Adding to 121122344242 its reverse (242443221121), we get a palindrome (363565565363).

The spelling of 121122344242 in words is "one hundred twenty-one billion, one hundred twenty-two million, three hundred forty-four thousand, two hundred forty-two".