2122323121201 has 4 divisors (see below), whose sum is σ = 2129875872804. Its totient is φ = 2114770369600.

The previous prime is 2122323121151. The next prime is 2122323121273. The reversal of 2122323121201 is 1021213232212.

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 1905725030400 + 216598090801 = 1380480^2 + 465401^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122323121201 - 2⁷ = 2122323121073 is a prime.

It is a super-3 number, since 3×2122323121201³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122323181201) 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, 3776375380 + ... + 3776375941.

It is an arithmetic number, because the mean of its divisors is an integer number (532468968201).

Almost surely, 2^{2122323121201} is an apocalyptic number.

It is an amenable number.

2122323121201 is a deficient number, since it is larger than the sum of its proper divisors (7552751603).

2122323121201 is an equidigital number, since it uses as much as digits as its factorization.

2122323121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7552751602.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2122323121201 its reverse (1021213232212), we get a palindrome (3143536353413).

The spelling of 2122323121201 in words is "two trillion, one hundred twenty-two billion, three hundred twenty-three million, one hundred twenty-one thousand, two hundred one".