122221210201 has 4 divisors (see below), whose sum is σ = 129410693172. Its totient is φ = 115031727232.

The previous prime is 122221210193. The next prime is 122221210211. The reversal of 122221210201 is 102012122221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78456570201 + 43764640000 = 280101^2 + 209200^2 .

It is a cyclic number.

It is not a de Polignac number, because 122221210201 - 2³ = 122221210193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122221210211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3594741460 + ... + 3594741493.

It is an arithmetic number, because the mean of its divisors is an integer number (32352673293).

Almost surely, 2^122221210201 is an apocalyptic number.

It is an amenable number.

122221210201 is a deficient number, since it is larger than the sum of its proper divisors (7189482971).

122221210201 is an equidigital number, since it uses as much as digits as its factorization.

122221210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7189482970.

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

Adding to 122221210201 its reverse (102012122221), we get a palindrome (224233332422).

The spelling of 122221210201 in words is "one hundred twenty-two billion, two hundred twenty-one million, two hundred ten thousand, two hundred one".