21113132110142 has 64 divisors (see below), whose sum is σ = 32711932850688. Its totient is φ = 10212667920000.

The previous prime is 21113132110129. The next prime is 21113132110171. The reversal of 21113132110142 is 24101123131112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18030001217 + ... + 18030002387.

It is an arithmetic number, because the mean of its divisors is an integer number (511123950792).

Almost surely, 2^{21113132110142} is an apocalyptic number.

21113132110142 is a deficient number, since it is larger than the sum of its proper divisors (11598800740546).

21113132110142 is a wasteful number, since it uses less digits than its factorization.

21113132110142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 21113132110142 its reverse (24101123131112), we get a palindrome (45214255241254).

The spelling of 21113132110142 in words is "twenty-one trillion, one hundred thirteen billion, one hundred thirty-two million, one hundred ten thousand, one hundred forty-two".