122102201212221 has 8 divisors (see below), whose sum is σ = 164863731594880. Its totient is φ = 80371069152192.

The previous prime is 122102201212171. The next prime is 122102201212223. The reversal of 122102201212221 is 122212102201221.

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

It is not a de Polignac number, because 122102201212221 - 2³¹ = 122100053728573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102201212223) 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, 257599580380 + ... + 257599580853.

It is an arithmetic number, because the mean of its divisors is an integer number (20607966449360).

Almost surely, 2^{122102201212221} is an apocalyptic number.

It is an amenable number.

122102201212221 is a deficient number, since it is larger than the sum of its proper divisors (42761530382659).

122102201212221 is an equidigital number, since it uses as much as digits as its factorization.

122102201212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515199161315.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122102201212221 its reverse (122212102201221), we get a palindrome (244314303413442).

The spelling of 122102201212221 in words is "one hundred twenty-two trillion, one hundred two billion, two hundred one million, two hundred twelve thousand, two hundred twenty-one".