1112012201 has 2 divisors, whose sum is σ = 1112012202. Its totient is φ = 1112012200.

The previous prime is 1112012197. The next prime is 1112012203. The reversal of 1112012201 is 1022102111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 620059801 + 491952400 = 24901^2 + 22180^2 .

It is an emirp because it is prime and its reverse (1022102111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112012201 - 2² = 1112012197 is a prime.

It is a super-2 number, since 2×1112012201² = 2473142270345728802, which contains 22 as substring.

Together with 1112012203, 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 (1112012203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556006100 + 556006101.

It is an arithmetic number, because the mean of its divisors is an integer number (556006101).

Almost surely, 2^1112012201 is an apocalyptic number.

It is an amenable number.

1112012201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112012201 is an equidigital number, since it uses as much as digits as its factorization.

1112012201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1112012201 is about 33346.8469424022. The cubic root of 1112012201 is about 1036.0240825760.

Adding to 1112012201 its reverse (1022102111), we get a palindrome (2134114312).

The spelling of 1112012201 in words is "one billion, one hundred twelve million, twelve thousand, two hundred one".