10223122340421 has 24 divisors (see below), whose sum is σ = 14814493592600. Its totient is φ = 6793372924416.

The previous prime is 10223122340363. The next prime is 10223122340423. The reversal of 10223122340421 is 12404322132201.

10223122340421 is a `hidden beast` number, since 1 + 0 + 2 + 2 + 3 + 1 + 2 + 234 + 0 + 421 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2973162209796 + 7249960130625 = 1724286^2 + 2692575^2 .

It is not a de Polignac number, because 10223122340421 - 2¹³ = 10223122332229 is a prime.

It is a super-2 number, since 2×10223122340421² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10223122340423) 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, 93010305 + ... + 93120153.

Almost surely, 2^{10223122340421} is an apocalyptic number.

It is an amenable number.

10223122340421 is a deficient number, since it is larger than the sum of its proper divisors (4591371252179).

10223122340421 is a wasteful number, since it uses less digits than its factorization.

10223122340421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143205 (or 143202 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 10223122340421 its reverse (12404322132201), we get a palindrome (22627444472622).

The spelling of 10223122340421 in words is "ten trillion, two hundred twenty-three billion, one hundred twenty-two million, three hundred forty thousand, four hundred twenty-one".