122221211022201 has 16 divisors (see below), whose sum is σ = 167370966382464. Its totient is φ = 79276262655744.

The previous prime is 122221211022193. The next prime is 122221211022217. The reversal of 122221211022201 is 102220112122221.

It is not a de Polignac number, because 122221211022201 - 2³ = 122221211022193 is a prime.

It is a super-2 number, since 2×122221211022201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122221211022301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12645525 + ... + 20108498.

It is an arithmetic number, because the mean of its divisors is an integer number (10460685398904).

Almost surely, 2^{122221211022201} is an apocalyptic number.

It is an amenable number.

122221211022201 is a deficient number, since it is larger than the sum of its proper divisors (45149755360263).

122221211022201 is a wasteful number, since it uses less digits than its factorization.

122221211022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32787680.

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

Adding to 122221211022201 its reverse (102220112122221), we get a palindrome (224441323144422).

The spelling of 122221211022201 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, two hundred eleven million, twenty-two thousand, two hundred one".