42112102102 has 16 divisors (see below), whose sum is σ = 72195230880. Its totient is φ = 18047279808.

The previous prime is 42112102099. The next prime is 42112102121. The reversal of 42112102102 is 20120121124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390724 + ... + 486712.

It is an arithmetic number, because the mean of its divisors is an integer number (4512201930).

Almost surely, 2^42112102102 is an apocalyptic number.

42112102102 is a deficient number, since it is larger than the sum of its proper divisors (30083128778).

42112102102 is a wasteful number, since it uses less digits than its factorization.

42112102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127335.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 42112102102 its reverse (20120121124), we get a palindrome (62232223226).

The spelling of 42112102102 in words is "forty-two billion, one hundred twelve million, one hundred two thousand, one hundred two".