101112212143 has 2 divisors, whose sum is σ = 101112212144. Its totient is φ = 101112212142.

The previous prime is 101112212023. The next prime is 101112212147. The reversal of 101112212143 is 341212211101.

It is a strong prime.

It is an emirp because it is prime and its reverse (341212211101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101112212143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101112212143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101112212147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50556106071 + 50556106072.

It is an arithmetic number, because the mean of its divisors is an integer number (50556106072).

Almost surely, 2^101112212143 is an apocalyptic number.

101112212143 is a deficient number, since it is larger than the sum of its proper divisors (1).

101112212143 is an equidigital number, since it uses as much as digits as its factorization.

101112212143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 101112212143 its reverse (341212211101), we get a palindrome (442324423244).

The spelling of 101112212143 in words is "one hundred one billion, one hundred twelve million, two hundred twelve thousand, one hundred forty-three".