42102134211019 has 16 divisors (see below), whose sum is σ = 43168941204480. Its totient is φ = 41049597647520.

The previous prime is 42102134210989. The next prime is 42102134211107. The reversal of 42102134211019 is 91011243120124.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42102134211019 - 2¹¹ = 42102134208971 is a prime.

It is a super-2 number, since 2×42102134211019² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42102134215019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1357017 + ... + 9276085.

It is an arithmetic number, because the mean of its divisors is an integer number (2698058825280).

Almost surely, 2^{42102134211019} is an apocalyptic number.

42102134211019 is a deficient number, since it is larger than the sum of its proper divisors (1066806993461).

42102134211019 is a wasteful number, since it uses less digits than its factorization.

42102134211019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7919970.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 42102134211019 in words is "forty-two trillion, one hundred two billion, one hundred thirty-four million, two hundred eleven thousand, nineteen".