122201222021 has 8 divisors (see below), whose sum is σ = 122805753888. Its totient is φ = 121596930000.

The previous prime is 122201221951. The next prime is 122201222057. The reversal of 122201222021 is 120222102221.

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 a de Polignac number, because none of the positive numbers 2^k-122201222021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122201222321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008431 + ... + 1123091.

It is an arithmetic number, because the mean of its divisors is an integer number (15350719236).

Almost surely, 2^122201222021 is an apocalyptic number.

It is an amenable number.

122201222021 is a deficient number, since it is larger than the sum of its proper divisors (604531867).

122201222021 is a wasteful number, since it uses less digits than its factorization.

122201222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119923.

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

Adding to 122201222021 its reverse (120222102221), we get a palindrome (242423324242).

The spelling of 122201222021 in words is "one hundred twenty-two billion, two hundred one million, two hundred twenty-two thousand, twenty-one".