2112320101 has 4 divisors (see below), whose sum is σ = 2114565804. Its totient is φ = 2110074400.

The previous prime is 2112320099. The next prime is 2112320113. The reversal of 2112320101 is 1010232112.

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 768731076 + 1343589025 = 27726^2 + 36655^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112320101 - 2¹ = 2112320099 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 (2112324101) 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, 1121440 + ... + 1123321.

It is an arithmetic number, because the mean of its divisors is an integer number (528641451).

Almost surely, 2^2112320101 is an apocalyptic number.

It is an amenable number.

2112320101 is a deficient number, since it is larger than the sum of its proper divisors (2245703).

2112320101 is an equidigital number, since it uses as much as digits as its factorization.

2112320101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245702.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2112320101 is about 45959.9836923383. The cubic root of 2112320101 is about 1283.0785478493.

Adding to 2112320101 its reverse (1010232112), we get a palindrome (3122552213).

The spelling of 2112320101 in words is "two billion, one hundred twelve million, three hundred twenty thousand, one hundred one".