200112121019 has 2 divisors, whose sum is σ = 200112121020. Its totient is φ = 200112121018.

The previous prime is 200112121009. The next prime is 200112121021. The reversal of 200112121019 is 910121211002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200112121019 - 2⁸ = 200112120763 is a prime.

It is a super-2 number, since 2×200112121019² (a number of 23 digits) contains 22 as substring.

Together with 200112121021, 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 (200112121009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100056060509 + 100056060510.

It is an arithmetic number, because the mean of its divisors is an integer number (100056060510).

Almost surely, 2^200112121019 is an apocalyptic number.

200112121019 is a deficient number, since it is larger than the sum of its proper divisors (1).

200112121019 is an equidigital number, since it uses as much as digits as its factorization.

200112121019 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 200112121019 in words is "two hundred billion, one hundred twelve million, one hundred twenty-one thousand, nineteen".