121223320122 has 8 divisors (see below), whose sum is σ = 242446640256. Its totient is φ = 40407773372.

The previous prime is 121223320087. The next prime is 121223320133. The reversal of 121223320122 is 221023322121.

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

121223320122 is an admirable number.

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, 10101943338 + ... + 10101943349.

It is an arithmetic number, because the mean of its divisors is an integer number (30305830032).

Almost surely, 2^121223320122 is an apocalyptic number.

121223320122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121223320122 is a wasteful number, since it uses less digits than its factorization.

121223320122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20203886692.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 121223320122 its reverse (221023322121), we get a palindrome (342246642243).

The spelling of 121223320122 in words is "one hundred twenty-one billion, two hundred twenty-three million, three hundred twenty thousand, one hundred twenty-two".