21202210122233 has 16 divisors (see below), whose sum is σ = 25518221600640. Its totient is φ = 17208864979200.

The previous prime is 21202210122199. The next prime is 21202210122253. The reversal of 21202210122233 is 33222101220212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 21202210122233 - 2⁸ = 21202210121977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21202210122199 and 21202210122208.

It is not an unprimeable number, because it can be changed into a prime (21202210122253) 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 15 ways as a sum of consecutive naturals, for example, 36597158 + ... + 37171983.

It is an arithmetic number, because the mean of its divisors is an integer number (1594888850040).

Almost surely, 2^{21202210122233} is an apocalyptic number.

It is an amenable number.

21202210122233 is a deficient number, since it is larger than the sum of its proper divisors (4316011478407).

21202210122233 is a wasteful number, since it uses less digits than its factorization.

21202210122233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73771328.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21202210122233 its reverse (33222101220212), we get a palindrome (54424311342445).

The spelling of 21202210122233 in words is "twenty-one trillion, two hundred two billion, two hundred ten million, one hundred twenty-two thousand, two hundred thirty-three".