21113011133234 has 16 divisors (see below), whose sum is σ = 32211095567040. Its totient is φ = 10376032693200.

The previous prime is 21113011133209. The next prime is 21113011133299. The reversal of 21113011133234 is 43233111031112.

It is a super-2 number, since 2×21113011133234² (a number of 27 digits) contains 22 as substring.

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, 12559814 + ... + 14141249.

It is an arithmetic number, because the mean of its divisors is an integer number (2013193472940).

Almost surely, 2^{21113011133234} is an apocalyptic number.

21113011133234 is a deficient number, since it is larger than the sum of its proper divisors (11098084433806).

21113011133234 is a wasteful number, since it uses less digits than its factorization.

21113011133234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26707825.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 21113011133234 its reverse (43233111031112), we get a palindrome (64346122164346).

The spelling of 21113011133234 in words is "twenty-one trillion, one hundred thirteen billion, eleven million, one hundred thirty-three thousand, two hundred thirty-four".