2112322101 has 4 divisors (see below), whose sum is σ = 2816429472. Its totient is φ = 1408214732.

The previous prime is 2112322099. The next prime is 2112322123. The reversal of 2112322101 is 1012232112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2112322101 - 2¹ = 2112322099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112322141) 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, 352053681 + ... + 352053686.

It is an arithmetic number, because the mean of its divisors is an integer number (704107368).

Almost surely, 2^2112322101 is an apocalyptic number.

It is an amenable number.

2112322101 is a deficient number, since it is larger than the sum of its proper divisors (704107371).

2112322101 is an equidigital number, since it uses as much as digits as its factorization.

2112322101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704107370.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2112322101 is about 45960.0054503913. The cubic root of 2112322101 is about 1283.0789528000.

Adding to 2112322101 its reverse (1012232112), we get a palindrome (3124554213).

The spelling of 2112322101 in words is "two billion, one hundred twelve million, three hundred twenty-two thousand, one hundred one".