202211021023 has 32 divisors (see below), whose sum is σ = 234785779200. Its totient is φ = 173660129280.

The previous prime is 202211021009. The next prime is 202211021083. The reversal of 202211021023 is 320120112202.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-202211021023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202211020988 and 202211021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202211021083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9067615 + ... + 9089887.

It is an arithmetic number, because the mean of its divisors is an integer number (7337055600).

Almost surely, 2^202211021023 is an apocalyptic number.

202211021023 is a deficient number, since it is larger than the sum of its proper divisors (32574758177).

202211021023 is a wasteful number, since it uses less digits than its factorization.

202211021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22684 (or 22662 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 202211021023 its reverse (320120112202), we get a palindrome (522331133225).

The spelling of 202211021023 in words is "two hundred two billion, two hundred eleven million, twenty-one thousand, twenty-three".