21342000112 has 40 divisors (see below), whose sum is σ = 42346149296. Its totient is φ = 10414365696.

The previous prime is 21342000109. The next prime is 21342000133. The reversal of 21342000112 is 21100024312.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 880378 + ... + 904294.

Almost surely, 2^21342000112 is an apocalyptic number.

It is an amenable number.

21342000112 is a deficient number, since it is larger than the sum of its proper divisors (21004149184).

21342000112 is a wasteful number, since it uses less digits than its factorization.

21342000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25265 (or 25259 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21342000112 its reverse (21100024312), we get a palindrome (42442024424).

The spelling of 21342000112 in words is "twenty-one billion, three hundred forty-two million, one hundred twelve", and thus it is an aban number.