101812112219 has 2 divisors, whose sum is σ = 101812112220. Its totient is φ = 101812112218.

The previous prime is 101812112203. The next prime is 101812112231. The reversal of 101812112219 is 912211218101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101812112219 - 2⁴ = 101812112203 is a prime.

It is a super-2 number, since 2×101812112219² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101812112191 and 101812112200.

It is not a weakly prime, because it can be changed into another prime (101812112279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50906056109 + 50906056110.

It is an arithmetic number, because the mean of its divisors is an integer number (50906056110).

Almost surely, 2^101812112219 is an apocalyptic number.

101812112219 is a deficient number, since it is larger than the sum of its proper divisors (1).

101812112219 is an equidigital number, since it uses as much as digits as its factorization.

101812112219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 29.

The spelling of 101812112219 in words is "one hundred one billion, eight hundred twelve million, one hundred twelve thousand, two hundred nineteen".