21233142414111 has 16 divisors (see below), whose sum is σ = 30178128243200. Its totient is φ = 13240653761088.

The previous prime is 21233142414109. The next prime is 21233142414199. The reversal of 21233142414111 is 11141424133212.

It is not a de Polignac number, because 21233142414111 - 2¹ = 21233142414109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233142814111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2357661766 + ... + 2357670771.

It is an arithmetic number, because the mean of its divisors is an integer number (1886133015200).

Almost surely, 2^{21233142414111} is an apocalyptic number.

21233142414111 is a deficient number, since it is larger than the sum of its proper divisors (8944985829089).

21233142414111 is a wasteful number, since it uses less digits than its factorization.

21233142414111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4715332638.

The product of its digits is 4608, while the sum is 30.

Adding to 21233142414111 its reverse (11141424133212), we get a palindrome (32374566547323).

The spelling of 21233142414111 in words is "twenty-one trillion, two hundred thirty-three billion, one hundred forty-two million, four hundred fourteen thousand, one hundred eleven".