201112012019 has 2 divisors, whose sum is σ = 201112012020. Its totient is φ = 201112012018.

The previous prime is 201112011959. The next prime is 201112012027. The reversal of 201112012019 is 910210211102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201112012019 - 2¹² = 201112007923 is a prime.

It is a super-2 number, since 2×201112012019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201112092019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100556006009 + 100556006010.

It is an arithmetic number, because the mean of its divisors is an integer number (100556006010).

Almost surely, 2^201112012019 is an apocalyptic number.

201112012019 is a deficient number, since it is larger than the sum of its proper divisors (1).

201112012019 is an equidigital number, since it uses as much as digits as its factorization.

201112012019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 201112012019 in words is "two hundred one billion, one hundred twelve million, twelve thousand, nineteen".