101143019 has 2 divisors, whose sum is σ = 101143020. Its totient is φ = 101143018.

The previous prime is 101142997. The next prime is 101143057. The reversal of 101143019 is 910341101.

It is a weak prime.

It is an emirp because it is prime and its reverse (910341101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101143019 - 2⁸ = 101142763 is a prime.

It is a super-2 number, since 2×101143019² = 20459820584868722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101143519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50571509 + 50571510.

It is an arithmetic number, because the mean of its divisors is an integer number (50571510).

Almost surely, 2^101143019 is an apocalyptic number.

101143019 is a deficient number, since it is larger than the sum of its proper divisors (1).

101143019 is an equidigital number, since it uses as much as digits as its factorization.

101143019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 101143019 is about 10056.9885651720. The cubic root of 101143019 is about 465.9206625665.

The spelling of 101143019 in words is "one hundred one million, one hundred forty-three thousand, nineteen".