21113131023101 has 8 divisors (see below), whose sum is σ = 23220988621824. Its totient is φ = 19074383509680.

The previous prime is 21113131023091. The next prime is 21113131023133. The reversal of 21113131023101 is 10132013131112.

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 21113131023101 - 2⁴² = 16715084511997 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 (21113131029101) 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, 17277520685 + ... + 17277521906.

It is an arithmetic number, because the mean of its divisors is an integer number (2902623577728).

Almost surely, 2^{21113131023101} is an apocalyptic number.

It is an amenable number.

21113131023101 is a deficient number, since it is larger than the sum of its proper divisors (2107857598723).

21113131023101 is a wasteful number, since it uses less digits than its factorization.

21113131023101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34555042651.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 21113131023101 its reverse (10132013131112), we get a palindrome (31245144154213).

The spelling of 21113131023101 in words is "twenty-one trillion, one hundred thirteen billion, one hundred thirty-one million, twenty-three thousand, one hundred one".