121022223342 has 16 divisors (see below), whose sum is σ = 242326231680. Its totient is φ = 40293776952.

The previous prime is 121022223313. The next prime is 121022223353. The reversal of 121022223342 is 243322220121.

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, 11735458 + ... + 11745765.

It is an arithmetic number, because the mean of its divisors is an integer number (15145389480).

Almost surely, 2^121022223342 is an apocalyptic number.

121022223342 is an abundant number, since it is smaller than the sum of its proper divisors (121304008338).

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

121022223342 is a wasteful number, since it uses less digits than its factorization.

121022223342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23482087.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 121022223342 its reverse (243322220121), we get a palindrome (364344443463).

The spelling of 121022223342 in words is "one hundred twenty-one billion, twenty-two million, two hundred twenty-three thousand, three hundred forty-two".