112211969 has 2 divisors, whose sum is σ = 112211970. Its totient is φ = 112211968.

The previous prime is 112211893. The next prime is 112211987. The reversal of 112211969 is 969112211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112042225 + 169744 = 10585^2 + 412^2 .

It is an emirp because it is prime and its reverse (969112211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112211969 is a prime.

It is a super-2 number, since 2×112211969² = 25183051973713922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112211999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56105984 + 56105985.

It is an arithmetic number, because the mean of its divisors is an integer number (56105985).

Almost surely, 2^112211969 is an apocalyptic number.

It is an amenable number.

112211969 is a deficient number, since it is larger than the sum of its proper divisors (1).

112211969 is an equidigital number, since it uses as much as digits as its factorization.

112211969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 32.

The square root of 112211969 is about 10593.0151043034. The cubic root of 112211969 is about 482.3323537238.

The spelling of 112211969 in words is "one hundred twelve million, two hundred eleven thousand, nine hundred sixty-nine".