42112010111 has 4 divisors (see below), whose sum is σ = 42113629824. Its totient is φ = 42110390400.

The previous prime is 42112010069. The next prime is 42112010119. The reversal of 42112010111 is 11101021124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42112010111 - 2²² = 42107815807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42112010119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770210 + ... + 823071.

It is an arithmetic number, because the mean of its divisors is an integer number (10528407456).

Almost surely, 2^42112010111 is an apocalyptic number.

42112010111 is a deficient number, since it is larger than the sum of its proper divisors (1619713).

42112010111 is a wasteful number, since it uses less digits than its factorization.

42112010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619712.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 42112010111 its reverse (11101021124), we get a palindrome (53213031235).

The spelling of 42112010111 in words is "forty-two billion, one hundred twelve million, ten thousand, one hundred eleven".