21101310033023 has 8 divisors (see below), whose sum is σ = 23074289360976. Its totient is φ = 19137443774400.

The previous prime is 21101310032993. The next prime is 21101310033071. The reversal of 21101310033023 is 32033001310112.

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 21101310033023 - 2¹⁰ = 21101310031999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21101310032986 and 21101310033004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21101310033523) 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, 2278262486 + ... + 2278271747.

It is an arithmetic number, because the mean of its divisors is an integer number (2884286170122).

Almost surely, 2^{21101310033023} is an apocalyptic number.

21101310033023 is a deficient number, since it is larger than the sum of its proper divisors (1972979327953).

21101310033023 is a wasteful number, since it uses less digits than its factorization.

21101310033023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4556534665.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 21101310033023 its reverse (32033001310112), we get a palindrome (53134311343135).

The spelling of 21101310033023 in words is "twenty-one trillion, one hundred one billion, three hundred ten million, thirty-three thousand, twenty-three".