122200000221221 has 8 divisors (see below), whose sum is σ = 132546762831840. Its totient is φ = 111988489409712.

The previous prime is 122200000221151. The next prime is 122200000221293. The reversal of 122200000221221 is 122122000002221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122200000221221 - 2¹⁰ = 122200000220197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122200000221221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122200000221421) 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, 33812947895 + ... + 33812951508.

It is an arithmetic number, because the mean of its divisors is an integer number (16568345353980).

Almost surely, 2^{122200000221221} is an apocalyptic number.

It is an amenable number.

122200000221221 is a deficient number, since it is larger than the sum of its proper divisors (10346762610619).

122200000221221 is a wasteful number, since it uses less digits than its factorization.

122200000221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67625899555.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122200000221221 its reverse (122122000002221), we get a palindrome (244322000223442).

The spelling of 122200000221221 in words is "one hundred twenty-two trillion, two hundred billion, two hundred twenty-one thousand, two hundred twenty-one".