2112213453 has 12 divisors (see below), whose sum is σ = 3276086400. Its totient is φ = 1206979032.

The previous prime is 2112213431. The next prime is 2112213457. The reversal of 2112213453 is 3543122112.

It is not a de Polignac number, because 2112213453 - 2⁸ = 2112213197 is a prime.

It is a super-2 number, since 2×2112213453² = 8922891342068366418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112213457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7184253 + ... + 7184546.

It is an arithmetic number, because the mean of its divisors is an integer number (273007200).

Almost surely, 2^2112213453 is an apocalyptic number.

It is an amenable number.

2112213453 is a deficient number, since it is larger than the sum of its proper divisors (1163872947).

2112213453 is a wasteful number, since it uses less digits than its factorization.

2112213453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14368816 (or 14368809 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 2112213453 is about 45958.8234509980. The cubic root of 2112213453 is about 1283.0569538898.

Adding to 2112213453 its reverse (3543122112), we get a palindrome (5655335565).

The spelling of 2112213453 in words is "two billion, one hundred twelve million, two hundred thirteen thousand, four hundred fifty-three".