42112102147 has 2 divisors, whose sum is σ = 42112102148. Its totient is φ = 42112102146.

The previous prime is 42112102121. The next prime is 42112102157. The reversal of 42112102147 is 74120121124.

It is a happy number.

42112102147 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 42112102147 - 2¹⁵ = 42112069379 is a prime.

It is a super-3 number, since 3×42112102147³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (42112102157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21056051073 + 21056051074.

It is an arithmetic number, because the mean of its divisors is an integer number (21056051074).

Almost surely, 2^42112102147 is an apocalyptic number.

42112102147 is a deficient number, since it is larger than the sum of its proper divisors (1).

42112102147 is an equidigital number, since it uses as much as digits as its factorization.

42112102147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

The spelling of 42112102147 in words is "forty-two billion, one hundred twelve million, one hundred two thousand, one hundred forty-seven".