21113100101113 has 8 divisors (see below), whose sum is σ = 21201749072640. Its totient is φ = 21024453710400.

The previous prime is 21113100101111. The next prime is 21113100101173. The reversal of 21113100101113 is 31110100131112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21113100101113 - 2¹ = 21113100101111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21113100101111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16730881 + ... + 17948497.

It is an arithmetic number, because the mean of its divisors is an integer number (2650218634080).

Almost surely, 2^{21113100101113} is an apocalyptic number.

It is an amenable number.

21113100101113 is a deficient number, since it is larger than the sum of its proper divisors (88648971527).

21113100101113 is a wasteful number, since it uses less digits than its factorization.

21113100101113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290407.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 21113100101113 its reverse (31110100131112), we get a palindrome (52223200232225).

The spelling of 21113100101113 in words is "twenty-one trillion, one hundred thirteen billion, one hundred million, one hundred one thousand, one hundred thirteen".