122100120002221 has 8 divisors (see below), whose sum is σ = 122532428610144. Its totient is φ = 121667817447120.

The previous prime is 122100120002219. The next prime is 122100120002303. The reversal of 122100120002221 is 122200021001221.

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 122100120002221 - 2¹ = 122100120002219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122100120002195 and 122100120002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122100120002321) 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, 41015055 + ... + 43891171.

It is an arithmetic number, because the mean of its divisors is an integer number (15316553576268).

Almost surely, 2^{122100120002221} is an apocalyptic number.

It is an amenable number.

122100120002221 is a deficient number, since it is larger than the sum of its proper divisors (432308607923).

122100120002221 is a wasteful number, since it uses less digits than its factorization.

122100120002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026411.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122100120002221 its reverse (122200021001221), we get a palindrome (244300141003442).

The spelling of 122100120002221 in words is "one hundred twenty-two trillion, one hundred billion, one hundred twenty million, two thousand, two hundred twenty-one".