122200012000221 has 64 divisors (see below), whose sum is σ = 192936811334400. Its totient is φ = 68238702637056.

The previous prime is 122200012000169. The next prime is 122200012000229. The reversal of 122200012000221 is 122000210002221.

It is not a de Polignac number, because 122200012000221 - 2¹¹ = 122200011998173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122200012000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122200012000229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57725130 + ... + 59804603.

It is an arithmetic number, because the mean of its divisors is an integer number (3014637677100).

Almost surely, 2^{122200012000221} is an apocalyptic number.

It is an amenable number.

122200012000221 is a deficient number, since it is larger than the sum of its proper divisors (70736799334179).

122200012000221 is a wasteful number, since it uses less digits than its factorization.

122200012000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117529838.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122200012000221 its reverse (122000210002221), we get a palindrome (244200222002442).

The spelling of 122200012000221 in words is "one hundred twenty-two trillion, two hundred billion, twelve million, two hundred twenty-one", and thus it is an aban number.