21040110334 has 16 divisors (see below), whose sum is σ = 33343099200. Its totient is φ = 9941180704.

The previous prime is 21040110283. The next prime is 21040110349. The reversal of 21040110334 is 43301104012.

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, 3856429 + ... + 3861880.

It is an arithmetic number, because the mean of its divisors is an integer number (2083943700).

Almost surely, 2^21040110334 is an apocalyptic number.

21040110334 is a deficient number, since it is larger than the sum of its proper divisors (12302988866).

21040110334 is a wasteful number, since it uses less digits than its factorization.

21040110334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7718387.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21040110334 its reverse (43301104012), we get a palindrome (64341214346).

The spelling of 21040110334 in words is "twenty-one billion, forty million, one hundred ten thousand, three hundred thirty-four".