21112023110113 has 16 divisors (see below), whose sum is σ = 23143841768320. Its totient is φ = 19140190223616.

The previous prime is 21112023110041. The next prime is 21112023110131. The reversal of 21112023110113 is 31101132021112.

It is a cyclic number.

It is not a de Polignac number, because 21112023110113 - 2¹³ = 21112023101921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21112023110813) 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, 35669133 + ... + 36256186.

It is an arithmetic number, because the mean of its divisors is an integer number (1446490110520).

Almost surely, 2^{21112023110113} is an apocalyptic number.

It is an amenable number.

21112023110113 is a deficient number, since it is larger than the sum of its proper divisors (2031818658207).

21112023110113 is a wasteful number, since it uses less digits than its factorization.

21112023110113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71925736.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 21112023110113 its reverse (31101132021112), we get a palindrome (52213155131225).

The spelling of 21112023110113 in words is "twenty-one trillion, one hundred twelve billion, twenty-three million, one hundred ten thousand, one hundred thirteen".