122202201221221 has 8 divisors (see below), whose sum is σ = 135301216006944. Its totient is φ = 109434807063120.

The previous prime is 122202201221161. The next prime is 122202201221231. The reversal of 122202201221221 is 122122102202221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122202201221221 - 2¹⁵ = 122202201188453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122202201221192 and 122202201221201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122202201221231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82905156130 + ... + 82905157603.

It is an arithmetic number, because the mean of its divisors is an integer number (16912652000868).

Almost surely, 2^{122202201221221} is an apocalyptic number.

122202201221221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122202201221221 is a deficient number, since it is larger than the sum of its proper divisors (13099014785723).

122202201221221 is a wasteful number, since it uses less digits than its factorization.

122202201221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165810313811.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 122202201221221 its reverse (122122102202221), we get a palindrome (244324303423442).

The spelling of 122202201221221 in words is "one hundred twenty-two trillion, two hundred two billion, two hundred one million, two hundred twenty-one thousand, two hundred twenty-one".