10221320223 has 6 divisors (see below), whose sum is σ = 14764129224. Its totient is φ = 6814213476.

The previous prime is 10221320209. The next prime is 10221320231. The reversal of 10221320223 is 32202312201.

10221320223 is a `hidden beast` number, since 102 + 21 + 320 + 223 = 666.

10221320223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10221320223 - 2⁹ = 10221319711 is a prime.

It is a super-2 number, since 2×10221320223² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10221320196 and 10221320205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221320233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 567851115 + ... + 567851132.

It is an arithmetic number, because the mean of its divisors is an integer number (2460688204).

Almost surely, 2^10221320223 is an apocalyptic number.

10221320223 is a deficient number, since it is larger than the sum of its proper divisors (4542809001).

10221320223 is a wasteful number, since it uses less digits than its factorization.

10221320223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135702253 (or 1135702250 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10221320223 its reverse (32202312201), we get a palindrome (42423632424).

The spelling of 10221320223 in words is "ten billion, two hundred twenty-one million, three hundred twenty thousand, two hundred twenty-three".