21101033012323 has 32 divisors (see below), whose sum is σ = 25058410705152. Its totient is φ = 17550913766400.

The previous prime is 21101033012303. The next prime is 21101033012327. The reversal of 21101033012323 is 32321033010112.

It is a cyclic number.

It is not a de Polignac number, because 21101033012323 - 2⁵ = 21101033012291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21101033012294 and 21101033012303.

It is not an unprimeable number, because it can be changed into a prime (21101033012327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4521786 + ... + 7915087.

It is an arithmetic number, because the mean of its divisors is an integer number (783075334536).

Almost surely, 2^{21101033012323} is an apocalyptic number.

21101033012323 is a deficient number, since it is larger than the sum of its proper divisors (3957377692829).

21101033012323 is a wasteful number, since it uses less digits than its factorization.

21101033012323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12437155.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21101033012323 its reverse (32321033010112), we get a palindrome (53422066022435).

The spelling of 21101033012323 in words is "twenty-one trillion, one hundred one billion, thirty-three million, twelve thousand, three hundred twenty-three".