21223200110133 has 16 divisors (see below), whose sum is σ = 32340455032320. Its totient is φ = 12127415203056.

The previous prime is 21223200110081. The next prime is 21223200110197. The reversal of 21223200110133 is 33101100232212.

It is not a de Polignac number, because 21223200110133 - 2⁸ = 21223200109877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21223200110933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3261435 + ... + 7285832.

It is an arithmetic number, because the mean of its divisors is an integer number (2021278439520).

Almost surely, 2^{21223200110133} is an apocalyptic number.

It is an amenable number.

21223200110133 is a deficient number, since it is larger than the sum of its proper divisors (11117254922187).

21223200110133 is a wasteful number, since it uses less digits than its factorization.

21223200110133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10643096.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21223200110133 its reverse (33101100232212), we get a palindrome (54324300342345).

The spelling of 21223200110133 in words is "twenty-one trillion, two hundred twenty-three billion, two hundred million, one hundred ten thousand, one hundred thirty-three".