1051112213 has 4 divisors (see below), whose sum is σ = 1096812768. Its totient is φ = 1005411660.

The previous prime is 1051112191. The next prime is 1051112239. The reversal of 1051112213 is 3122111501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3122111501 = 41 ⋅76149061.

It is a cyclic number.

It is not a de Polignac number, because 1051112213 - 2⁶ = 1051112149 is a prime.

It is a super-2 number, since 2×1051112213² = 2209673768635514738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1051112191 and 1051112200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051112113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22850243 + ... + 22850288.

It is an arithmetic number, because the mean of its divisors is an integer number (274203192).

Almost surely, 2^1051112213 is an apocalyptic number.

It is an amenable number.

1051112213 is a deficient number, since it is larger than the sum of its proper divisors (45700555).

1051112213 is an equidigital number, since it uses as much as digits as its factorization.

1051112213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45700554.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 1051112213 is about 32420.8607689555. The cubic root of 1051112213 is about 1016.7551029523.

Adding to 1051112213 its reverse (3122111501), we get a palindrome (4173223714).

The spelling of 1051112213 in words is "one billion, fifty-one million, one hundred twelve thousand, two hundred thirteen".