21223201133031 has 64 divisors (see below), whose sum is σ = 30893270400000. Its totient is φ = 12917312179200.

The previous prime is 21223201132963. The next prime is 21223201133039. The reversal of 21223201133031 is 13033110232212.

It is not a de Polignac number, because 21223201133031 - 2³³ = 21214611198439 is a prime.

It is a super-2 number, since 2×21223201133031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21223201132992 and 21223201133010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21223201133039) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40337845 + ... + 40860593.

It is an arithmetic number, because the mean of its divisors is an integer number (482707350000).

Almost surely, 2^{21223201133031} is an apocalyptic number.

21223201133031 is a deficient number, since it is larger than the sum of its proper divisors (9670069266969).

21223201133031 is a wasteful number, since it uses less digits than its factorization.

21223201133031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523064.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21223201133031 its reverse (13033110232212), we get a palindrome (34256311365243).

The spelling of 21223201133031 in words is "twenty-one trillion, two hundred twenty-three billion, two hundred one million, one hundred thirty-three thousand, thirty-one".