10243110421 has 4 divisors (see below), whose sum is σ = 10688463072. Its totient is φ = 9797757772.

The previous prime is 10243110379. The next prime is 10243110433. The reversal of 10243110421 is 12401134201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12401134201 = 419 ⋅29596979.

It is a cyclic number.

It is not a de Polignac number, because 10243110421 - 2¹³ = 10243102229 is a prime.

It is a super-2 number, since 2×10243110421² (a number of 21 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 (10243110461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222676291 + ... + 222676336.

It is an arithmetic number, because the mean of its divisors is an integer number (2672115768).

Almost surely, 2^10243110421 is an apocalyptic number.

It is an amenable number.

10243110421 is a deficient number, since it is larger than the sum of its proper divisors (445352651).

10243110421 is an equidigital number, since it uses as much as digits as its factorization.

10243110421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445352650.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10243110421 its reverse (12401134201), we get a palindrome (22644244622).

The spelling of 10243110421 in words is "ten billion, two hundred forty-three million, one hundred ten thousand, four hundred twenty-one".