42543321102 has 12 divisors (see below), whose sum is σ = 92177195760. Its totient is φ = 14181107028.

The previous prime is 42543321089. The next prime is 42543321109. The reversal of 42543321102 is 20112334524.

42543321102 is a `hidden beast` number, since 4 + 2 + 543 + 3 + 2 + 110 + 2 = 666.

42543321102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42543321109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1181758902 + ... + 1181758937.

It is an arithmetic number, because the mean of its divisors is an integer number (7681432980).

Almost surely, 2^42543321102 is an apocalyptic number.

42543321102 is an abundant number, since it is smaller than the sum of its proper divisors (49633874658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42543321102 is a wasteful number, since it uses less digits than its factorization.

42543321102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363517847 (or 2363517844 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 42543321102 its reverse (20112334524), we get a palindrome (62655655626).

The spelling of 42543321102 in words is "forty-two billion, five hundred forty-three million, three hundred twenty-one thousand, one hundred two".