122201102222201 has 4 divisors (see below), whose sum is σ = 124204398980004. Its totient is φ = 120197805464400.

The previous prime is 122201102222099. The next prime is 122201102222203. The reversal of 122201102222201 is 102222201102221.

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 37207011060025 + 84994091162176 = 6099755^2 + 9219224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122201102222201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122201102222203) 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, 1001648378810 + ... + 1001648378931.

It is an arithmetic number, because the mean of its divisors is an integer number (31051099745001).

Almost surely, 2^{122201102222201} is an apocalyptic number.

It is an amenable number.

122201102222201 is a deficient number, since it is larger than the sum of its proper divisors (2003296757803).

122201102222201 is an equidigital number, since it uses as much as digits as its factorization.

122201102222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003296757802.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122201102222201 its reverse (102222201102221), we get a palindrome (224423303324422).

The spelling of 122201102222201 in words is "one hundred twenty-two trillion, two hundred one billion, one hundred two million, two hundred twenty-two thousand, two hundred one".