112211201999969 has 2 divisors, whose sum is σ = 112211201999970. Its totient is φ = 112211201999968.

The previous prime is 112211201999951. The next prime is 112211201999971. The reversal of 112211201999969 is 969999102112211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79660890837025 + 32550311162944 = 8925295^2 + 5705288^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112211201999969 is a prime.

It is a super-2 number, since 2×112211201999969² (a number of 29 digits) contains 22 as substring.

Together with 112211201999971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112211201999909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56105600999984 + 56105600999985.

It is an arithmetic number, because the mean of its divisors is an integer number (56105600999985).

Almost surely, 2^{112211201999969} is an apocalyptic number.

It is an amenable number.

112211201999969 is a deficient number, since it is larger than the sum of its proper divisors (1).

112211201999969 is an equidigital number, since it uses as much as digits as its factorization.

112211201999969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2834352, while the sum is 62.

The spelling of 112211201999969 in words is "one hundred twelve trillion, two hundred eleven billion, two hundred one million, nine hundred ninety-nine thousand, nine hundred sixty-nine".