2122331211001 has 4 divisors (see below), whose sum is σ = 2123038422004. Its totient is φ = 2121624000000.

The previous prime is 2122331210971. The next prime is 2122331211023. The reversal of 2122331211001 is 1001121332212.

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 1494078405625 + 628252805376 = 1222325^2 + 792624^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122331211001 - 2¹⁷ = 2122331079929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122331211001.

It is not an unprimeable number, because it can be changed into a prime (2122331211071) 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, 353601000 + ... + 353607001.

It is an arithmetic number, because the mean of its divisors is an integer number (530759605501).

Almost surely, 2^{2122331211001} is an apocalyptic number.

It is an amenable number.

2122331211001 is a deficient number, since it is larger than the sum of its proper divisors (707211003).

2122331211001 is an equidigital number, since it uses as much as digits as its factorization.

2122331211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707211002.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2122331211001 its reverse (1001121332212), we get a palindrome (3123452543213).

It can be divided in two parts, 2122331 and 211001, that added together give a palindrome (2333332).

The spelling of 2122331211001 in words is "two trillion, one hundred twenty-two billion, three hundred thirty-one million, two hundred eleven thousand, one".