10223122021 has 16 divisors (see below), whose sum is σ = 12090124800. Its totient is φ = 8457942528.

The previous prime is 10223122003. The next prime is 10223122027. The reversal of 10223122021 is 12022132201.

It is a happy number.

It is not a de Polignac number, because 10223122021 - 2¹⁷ = 10222990949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10223121986 and 10223122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10223122027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 965685 + ... + 976213.

It is an arithmetic number, because the mean of its divisors is an integer number (755632800).

Almost surely, 2^10223122021 is an apocalyptic number.

It is an amenable number.

10223122021 is a deficient number, since it is larger than the sum of its proper divisors (1867002779).

10223122021 is a wasteful number, since it uses less digits than its factorization.

10223122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15348.

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

Adding to 10223122021 its reverse (12022132201), we get a palindrome (22245254222).

The spelling of 10223122021 in words is "ten billion, two hundred twenty-three million, one hundred twenty-two thousand, twenty-one".