21133132202023 has 16 divisors (see below), whose sum is σ = 21418269998400. Its totient is φ = 20850241591296.

The previous prime is 21133132201991. The next prime is 21133132202029. The reversal of 21133132202023 is 32020223133112.

It is a cyclic number.

It is not a de Polignac number, because 21133132202023 - 2⁵ = 21133132201991 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 (21133132202029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18037861 + ... + 19173697.

It is an arithmetic number, because the mean of its divisors is an integer number (1338641874900).

Almost surely, 2^{21133132202023} is an apocalyptic number.

21133132202023 is a deficient number, since it is larger than the sum of its proper divisors (285137796377).

21133132202023 is a wasteful number, since it uses less digits than its factorization.

21133132202023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136826.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21133132202023 its reverse (32020223133112), we get a palindrome (53153355335135).

The spelling of 21133132202023 in words is "twenty-one trillion, one hundred thirty-three billion, one hundred thirty-two million, two hundred two thousand, twenty-three".