122121000221222 has 8 divisors (see below), whose sum is σ = 183706375692000. Its totient is φ = 60885541657224.

The previous prime is 122121000221203. The next prime is 122121000221249. The reversal of 122121000221222 is 222122000121221.

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

It is a junction number, because it is equal to n+sod(n) for n = 122121000221194 and 122121000221203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87479225822 + ... + 87479227217.

It is an arithmetic number, because the mean of its divisors is an integer number (22963296961500).

Almost surely, 2^{122121000221222} is an apocalyptic number.

122121000221222 is a deficient number, since it is larger than the sum of its proper divisors (61585375470778).

122121000221222 is a wasteful number, since it uses less digits than its factorization.

122121000221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174958453390.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122121000221222 its reverse (222122000121221), we get a palindrome (344243000342443).

The spelling of 122121000221222 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, two hundred twenty-one thousand, two hundred twenty-two".