201112011427 has 2 divisors, whose sum is σ = 201112011428. Its totient is φ = 201112011426.

The previous prime is 201112011367. The next prime is 201112011437. The reversal of 201112011427 is 724110211102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201112011427 - 2⁷ = 201112011299 is a prime.

It is a super-2 number, since 2×201112011427² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201112011398 and 201112011407.

It is not a weakly prime, because it can be changed into another prime (201112011437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100556005713 + 100556005714.

It is an arithmetic number, because the mean of its divisors is an integer number (100556005714).

Almost surely, 2^201112011427 is an apocalyptic number.

201112011427 is a deficient number, since it is larger than the sum of its proper divisors (1).

201112011427 is an equidigital number, since it uses as much as digits as its factorization.

201112011427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 201112011427 its reverse (724110211102), we get a palindrome (925222222529).

The spelling of 201112011427 in words is "two hundred one billion, one hundred twelve million, eleven thousand, four hundred twenty-seven".