21022212123033 has 24 divisors (see below), whose sum is σ = 30981532528800. Its totient is φ = 12669557292480.

The previous prime is 21022212123001. The next prime is 21022212123049. The reversal of 21022212123033 is 33032121222012.

It is not a de Polignac number, because 21022212123033 - 2⁵ = 21022212123001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21022212122994 and 21022212123012.

It is not an unprimeable number, because it can be changed into a prime (21022212143033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161701588 + ... + 161831541.

It is an arithmetic number, because the mean of its divisors is an integer number (1290897188700).

Almost surely, 2^{21022212123033} is an apocalyptic number.

It is an amenable number.

21022212123033 is a deficient number, since it is larger than the sum of its proper divisors (9959320405767).

21022212123033 is a wasteful number, since it uses less digits than its factorization.

21022212123033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323533333 (or 323533322 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21022212123033 its reverse (33032121222012), we get a palindrome (54054333345045).

The spelling of 21022212123033 in words is "twenty-one trillion, twenty-two billion, two hundred twelve million, one hundred twenty-three thousand, thirty-three".