42111043033271 has 2 divisors, whose sum is σ = 42111043033272. Its totient is φ = 42111043033270.

The previous prime is 42111043033219. The next prime is 42111043033379. The reversal of 42111043033271 is 17233034011124.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42111043033271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42111043053271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21055521516635 + 21055521516636.

It is an arithmetic number, because the mean of its divisors is an integer number (21055521516636).

Almost surely, 2^{42111043033271} is an apocalyptic number.

42111043033271 is a deficient number, since it is larger than the sum of its proper divisors (1).

42111043033271 is an equidigital number, since it uses as much as digits as its factorization.

42111043033271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 42111043033271 its reverse (17233034011124), we get a palindrome (59344077044395).

The spelling of 42111043033271 in words is "forty-two trillion, one hundred eleven billion, forty-three million, thirty-three thousand, two hundred seventy-one".