2122331012213 has 4 divisors (see below), whose sum is σ = 2123454535020. Its totient is φ = 2121207489408.

The previous prime is 2122331012209. The next prime is 2122331012233. The reversal of 2122331012213 is 3122101332212.

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 358515932644 + 1763815079569 = 598762^2 + 1328087^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122331012213 - 2² = 2122331012209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122331012233) 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, 561758570 + ... + 561762347.

It is an arithmetic number, because the mean of its divisors is an integer number (530863633755).

Almost surely, 2^{2122331012213} is an apocalyptic number.

It is an amenable number.

2122331012213 is a deficient number, since it is larger than the sum of its proper divisors (1123522807).

2122331012213 is a wasteful number, since it uses less digits than its factorization.

2122331012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123522806.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2122331012213 its reverse (3122101332212), we get a palindrome (5244432344425).

The spelling of 2122331012213 in words is "two trillion, one hundred twenty-two billion, three hundred thirty-one million, twelve thousand, two hundred thirteen".