121220322 has 16 divisors (see below), whose sum is σ = 243457920. Its totient is φ = 40237232.

The previous prime is 121220321. The next prime is 121220339. The reversal of 121220322 is 223022121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121220321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40833 + ... + 43700.

It is an arithmetic number, because the mean of its divisors is an integer number (15216120).

Almost surely, 2^121220322 is an apocalyptic number.

121220322 is an abundant number, since it is smaller than the sum of its proper divisors (122237598).

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

121220322 is a wasteful number, since it uses less digits than its factorization.

121220322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84777.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 121220322 is about 11010.0100817393. The cubic root of 121220322 is about 494.9087639215.

Adding to 121220322 its reverse (223022121), we get a palindrome (344242443).

The spelling of 121220322 in words is "one hundred twenty-one million, two hundred twenty thousand, three hundred twenty-two".