122201102010221 has 4 divisors (see below), whose sum is σ = 131601186780252. Its totient is φ = 112801017240192.

The previous prime is 122201102010217. The next prime is 122201102010277. The reversal of 122201102010221 is 122010201102221.

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 67882521637225 + 54318580372996 = 8239085^2 + 7370114^2 .

It is a cyclic number.

It is not a de Polignac number, because 122201102010221 - 2² = 122201102010217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122201102010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122201107010221) 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, 4700042384996 + ... + 4700042385021.

It is an arithmetic number, because the mean of its divisors is an integer number (32900296695063).

Almost surely, 2^{122201102010221} is an apocalyptic number.

It is an amenable number.

122201102010221 is a deficient number, since it is larger than the sum of its proper divisors (9400084770031).

122201102010221 is an equidigital number, since it uses as much as digits as its factorization.

122201102010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9400084770030.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122201102010221 its reverse (122010201102221), we get a palindrome (244211303112442).

The spelling of 122201102010221 in words is "one hundred twenty-two trillion, two hundred one billion, one hundred two million, ten thousand, two hundred twenty-one".