2112260357 has 18 divisors (see below), whose sum is σ = 2209860198. Its totient is φ = 2018240848.

The previous prime is 2112260351. The next prime is 2112260363. The reversal of 2112260357 is 7530622112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2112260351) and next prime (2112260363).

It can be written as a sum of positive squares in only one way, i.e., 1952844481 + 159415876 = 44191^2 + 12626^2 .

It is not a de Polignac number, because 2112260357 - 2²⁴ = 2095483141 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 (2112260351) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19740698 + ... + 19740804.

It is an arithmetic number, because the mean of its divisors is an integer number (122770011).

Almost surely, 2^2112260357 is an apocalyptic number.

It is an amenable number.

2112260357 is a deficient number, since it is larger than the sum of its proper divisors (97599841).

2112260357 is an frugal number, since it uses more digits than its factorization.

2112260357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2112260357 is about 45959.3337310279. Note that the first 3 decimals coincide. The cubic root of 2112260357 is about 1283.0664510452.

Adding to 2112260357 its reverse (7530622112), we get a palindrome (9642882469).

The spelling of 2112260357 in words is "two billion, one hundred twelve million, two hundred sixty thousand, three hundred fifty-seven".