211112342 has 16 divisors (see below), whose sum is σ = 364551840. Its totient is φ = 89815488.

The previous prime is 211112333. The next prime is 211112351. The reversal of 211112342 is 243211112.

It is an interprime number because it is at equal distance from previous prime (211112333) and next prime (211112351).

It is a self number, because there is not a number n which added to its sum of digits gives 211112342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53117 + ... + 56952.

It is an arithmetic number, because the mean of its divisors is an integer number (22784490).

Almost surely, 2^211112342 is an apocalyptic number.

211112342 is a deficient number, since it is larger than the sum of its proper divisors (153439498).

211112342 is a wasteful number, since it uses less digits than its factorization.

211112342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110215.

The product of its digits is 96, while the sum is 17.

The square root of 211112342 is about 14529.7055028655. The cubic root of 211112342 is about 595.4398198074.

Adding to 211112342 its reverse (243211112), we get a palindrome (454323454).

The spelling of 211112342 in words is "two hundred eleven million, one hundred twelve thousand, three hundred forty-two".