122222122022001 has 16 divisors (see below), whose sum is σ = 165377330780864. Its totient is φ = 80276625241344.

The previous prime is 122222122021999. The next prime is 122222122022059. The reversal of 122222122022001 is 100220221222221.

It is not a de Polignac number, because 122222122022001 - 2¹ = 122222122021999 is a prime.

It is a super-2 number, since 2×122222122022001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122222122022201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307459516 + ... + 307856781.

It is an arithmetic number, because the mean of its divisors is an integer number (10336083173804).

Almost surely, 2^{122222122022001} is an apocalyptic number.

It is an amenable number.

122222122022001 is a deficient number, since it is larger than the sum of its proper divisors (43155208758863).

122222122022001 is an equidigital number, since it uses as much as digits as its factorization.

122222122022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615317280.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 122222122022001 its reverse (100220221222221), we get a palindrome (222442343244222).

The spelling of 122222122022001 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, one hundred twenty-two million, twenty-two thousand, one".