122221210122201 has 16 divisors (see below), whose sum is σ = 172584914494464. Its totient is φ = 76774906809744.

The previous prime is 122221210122197. The next prime is 122221210122227. The reversal of 122221210122201 is 102221012122221.

It is not a de Polignac number, because 122221210122201 - 2² = 122221210122197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122221210122251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13218815421 + ... + 13218824666.

It is an arithmetic number, because the mean of its divisors is an integer number (10786557155904).

Almost surely, 2^{122221210122201} is an apocalyptic number.

It is an amenable number.

122221210122201 is a deficient number, since it is larger than the sum of its proper divisors (50363704372263).

122221210122201 is a wasteful number, since it uses less digits than its factorization.

122221210122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26437640180.

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

Adding to 122221210122201 its reverse (102221012122221), we get a palindrome (224442222244422).

The spelling of 122221210122201 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, two hundred ten million, one hundred twenty-two thousand, two hundred one".