42102141232243 has 2 divisors, whose sum is σ = 42102141232244. Its totient is φ = 42102141232242.

The previous prime is 42102141232199. The next prime is 42102141232289. The reversal of 42102141232243 is 34223214120124.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42102141232243 is a prime.

It is a super-2 number, since 2×42102141232243² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42102141232843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21051070616121 + 21051070616122.

It is an arithmetic number, because the mean of its divisors is an integer number (21051070616122).

Almost surely, 2^{42102141232243} is an apocalyptic number.

42102141232243 is a deficient number, since it is larger than the sum of its proper divisors (1).

42102141232243 is an equidigital number, since it uses as much as digits as its factorization.

42102141232243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 42102141232243 its reverse (34223214120124), we get a palindrome (76325355352367).

The spelling of 42102141232243 in words is "forty-two trillion, one hundred two billion, one hundred forty-one million, two hundred thirty-two thousand, two hundred forty-three".