42145119901211 has 2 divisors, whose sum is σ = 42145119901212. Its totient is φ = 42145119901210.

The previous prime is 42145119901193. The next prime is 42145119901217. The reversal of 42145119901211 is 11210991154124.

42145119901211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42145119901211 - 2²² = 42145115706907 is a prime.

It is a super-2 number, since 2×42145119901211² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42145119901217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21072559950605 + 21072559950606.

It is an arithmetic number, because the mean of its divisors is an integer number (21072559950606).

Almost surely, 2^{42145119901211} is an apocalyptic number.

42145119901211 is a deficient number, since it is larger than the sum of its proper divisors (1).

42145119901211 is an equidigital number, since it uses as much as digits as its factorization.

42145119901211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 41.

The spelling of 42145119901211 in words is "forty-two trillion, one hundred forty-five billion, one hundred nineteen million, nine hundred one thousand, two hundred eleven".