21222142023033 has 12 divisors (see below), whose sum is σ = 35033377307968. Its totient is φ = 12126938298840.

The previous prime is 21222142023031. The next prime is 21222142023037. The reversal of 21222142023033 is 33032024122212.

21222142023033 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 2 + 1 + 420 + 230 + 3 + 3 = 666.

It is not a de Polignac number, because 21222142023033 - 2¹ = 21222142023031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21222142022988 and 21222142023006.

It is not an unprimeable number, because it can be changed into a prime (21222142023031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168429698533 + ... + 168429698658.

Almost surely, 2^{21222142023033} is an apocalyptic number.

It is an amenable number.

21222142023033 is a deficient number, since it is larger than the sum of its proper divisors (13811235284935).

21222142023033 is a wasteful number, since it uses less digits than its factorization.

21222142023033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336859397204 (or 336859397201 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 21222142023033 its reverse (33032024122212), we get a palindrome (54254166145245).

The spelling of 21222142023033 in words is "twenty-one trillion, two hundred twenty-two billion, one hundred forty-two million, twenty-three thousand, thirty-three".