122210111222001 has 48 divisors (see below), whose sum is σ = 201986245064448. Its totient is φ = 70531633958400.

The previous prime is 122210111221987. The next prime is 122210111222051. The reversal of 122210111222001 is 100222111012221.

122210111222001 is a `hidden beast` number, since 122 + 210 + 1 + 112 + 220 + 0 + 1 = 666.

It is not a de Polignac number, because 122210111222001 - 2⁶ = 122210111221937 is a prime.

It is a super-2 number, since 2×122210111222001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122210111222051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 354757560 + ... + 355101881.

It is an arithmetic number, because the mean of its divisors is an integer number (4208046772176).

Almost surely, 2^{122210111222001} is an apocalyptic number.

122210111222001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122210111222001 is a deficient number, since it is larger than the sum of its proper divisors (79776133842447).

122210111222001 is a wasteful number, since it uses less digits than its factorization.

122210111222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709859542 (or 709859539 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122210111222001 its reverse (100222111012221), we get a palindrome (222432222234222).

The spelling of 122210111222001 in words is "one hundred twenty-two trillion, two hundred ten billion, one hundred eleven million, two hundred twenty-two thousand, one".