122001222112001 has 4 divisors (see below), whose sum is σ = 122007390975492. Its totient is φ = 121995053248512.

The previous prime is 122001222111991. The next prime is 122001222112027. The reversal of 122001222112001 is 100211222100221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56219779060225 + 65781443051776 = 7497985^2 + 8110576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122001222112001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122001222112201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3084402080 + ... + 3084441633.

It is an arithmetic number, because the mean of its divisors is an integer number (30501847743873).

Almost surely, 2^{122001222112001} is an apocalyptic number.

It is an amenable number.

122001222112001 is a deficient number, since it is larger than the sum of its proper divisors (6168863491).

122001222112001 is an equidigital number, since it uses as much as digits as its factorization.

122001222112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6168863490.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122001222112001 its reverse (100211222100221), we get a palindrome (222212444212222).

The spelling of 122001222112001 in words is "one hundred twenty-two trillion, one billion, two hundred twenty-two million, one hundred twelve thousand, one".