122000002201221 has 4 divisors (see below), whose sum is σ = 162666669601632. Its totient is φ = 81333334800812.

The previous prime is 122000002201213. The next prime is 122000002201271. The reversal of 122000002201221 is 122102200000221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122000002201221 - 2³ = 122000002201213 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122000002201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000002201271) 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, 20333333700201 + ... + 20333333700206.

It is an arithmetic number, because the mean of its divisors is an integer number (40666667400408).

Almost surely, 2^{122000002201221} is an apocalyptic number.

It is an amenable number.

122000002201221 is a deficient number, since it is larger than the sum of its proper divisors (40666667400411).

122000002201221 is an equidigital number, since it uses as much as digits as its factorization.

122000002201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40666667400410.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122000002201221 its reverse (122102200000221), we get a palindrome (244102202201442).

The spelling of 122000002201221 in words is "one hundred twenty-two trillion, two million, two hundred one thousand, two hundred twenty-one".