121220310322 has 8 divisors (see below), whose sum is σ = 184811292972. Its totient is φ = 59616546000.

The previous prime is 121220310319. The next prime is 121220310413. The reversal of 121220310322 is 223013022121.

It can be written as a sum of positive squares in 2 ways, for example, as 85977381961 + 35242928361 = 293219^2 + 187731^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 121220310322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496804429 + ... + 496804672.

Almost surely, 2^121220310322 is an apocalyptic number.

121220310322 is a deficient number, since it is larger than the sum of its proper divisors (63590982650).

121220310322 is an equidigital number, since it uses as much as digits as its factorization.

121220310322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993609164.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121220310322 its reverse (223013022121), we get a palindrome (344233332443).

The spelling of 121220310322 in words is "one hundred twenty-one billion, two hundred twenty million, three hundred ten thousand, three hundred twenty-two".