1112022113 has 4 divisors (see below), whose sum is σ = 1113705108. Its totient is φ = 1110339120.

The previous prime is 1112022089. The next prime is 1112022127. The reversal of 1112022113 is 3112202111.

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 952833424 + 159188689 = 30868^2 + 12617^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112022113 - 2²⁰ = 1110973537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112024113) 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, 840506 + ... + 841827.

It is an arithmetic number, because the mean of its divisors is an integer number (278426277).

Almost surely, 2^1112022113 is an apocalyptic number.

It is an amenable number.

1112022113 is a deficient number, since it is larger than the sum of its proper divisors (1682995).

1112022113 is an equidigital number, since it uses as much as digits as its factorization.

1112022113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682994.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1112022113 is about 33346.9955618194. The cubic root of 1112022113 is about 1036.0271607917.

Adding to 1112022113 its reverse (3112202111), we get a palindrome (4224224224).

It can be divided in two parts, 11120 and 22113, that added together give a palindrome (33233).

The spelling of 1112022113 in words is "one billion, one hundred twelve million, twenty-two thousand, one hundred thirteen".