21113032334 has 8 divisors (see below), whose sum is σ = 31680047640. Its totient is φ = 10553016456.

The previous prime is 21113032273. The next prime is 21113032337. The reversal of 21113032334 is 43323031112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113032337) 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, 1742309 + ... + 1754384.

It is an arithmetic number, because the mean of its divisors is an integer number (3960005955).

Almost surely, 2^21113032334 is an apocalyptic number.

21113032334 is a deficient number, since it is larger than the sum of its proper divisors (10567015306).

21113032334 is a wasteful number, since it uses less digits than its factorization.

21113032334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499714.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21113032334 its reverse (43323031112), we get a palindrome (64436063446).

The spelling of 21113032334 in words is "twenty-one billion, one hundred thirteen million, thirty-two thousand, three hundred thirty-four".