2122323101 has 4 divisors (see below), whose sum is σ = 2123235132. Its totient is φ = 2121411072.

The previous prime is 2122323089. The next prime is 2122323109. The reversal of 2122323101 is 1013232212.

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 1238688025 + 883635076 = 35195^2 + 29726^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122323101 - 2²⁶ = 2055214237 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 2122323101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122323109) 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, 452516 + ... + 457181.

It is an arithmetic number, because the mean of its divisors is an integer number (530808783).

Almost surely, 2^2122323101 is an apocalyptic number.

It is an amenable number.

2122323101 is a deficient number, since it is larger than the sum of its proper divisors (912031).

2122323101 is an equidigital number, since it uses as much as digits as its factorization.

2122323101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912030.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2122323101 is about 46068.6780904336. The cubic root of 2122323101 is about 1285.1007205542.

Adding to 2122323101 its reverse (1013232212), we get a palindrome (3135555313).

The spelling of 2122323101 in words is "two billion, one hundred twenty-two million, three hundred twenty-three thousand, one hundred one".