21011113500334 has 32 divisors (see below), whose sum is σ = 31788972547200. Its totient is φ = 10415073789600.

The previous prime is 21011113500233. The next prime is 21011113500347. The reversal of 21011113500334 is 43300531111012.

It is a super-2 number, since 2×21011113500334² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21011113500299 and 21011113500308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461851329 + ... + 461896819.

It is an arithmetic number, because the mean of its divisors is an integer number (993405392100).

Almost surely, 2^{21011113500334} is an apocalyptic number.

21011113500334 is a deficient number, since it is larger than the sum of its proper divisors (10777859046866).

21011113500334 is a wasteful number, since it uses less digits than its factorization.

21011113500334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48576.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 21011113500334 its reverse (43300531111012), we get a palindrome (64311644611346).

The spelling of 21011113500334 in words is "twenty-one trillion, eleven billion, one hundred thirteen million, five hundred thousand, three hundred thirty-four".