10123421224321 has 4 divisors (see below), whose sum is σ = 10338813165312. Its totient is φ = 9908029283332.

The previous prime is 10123421224289. The next prime is 10123421224373. The reversal of 10123421224321 is 12342212432101.

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.

It is a cyclic number.

It is not a de Polignac number, because 10123421224321 - 2⁵ = 10123421224289 is a prime.

It is a super-2 number, since 2×10123421224321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10123421224321.

It is not an unprimeable number, because it can be changed into a prime (10123421224421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107695970425 + ... + 107695970518.

It is an arithmetic number, because the mean of its divisors is an integer number (2584703291328).

Almost surely, 2^{10123421224321} is an apocalyptic number.

It is an amenable number.

10123421224321 is a deficient number, since it is larger than the sum of its proper divisors (215391940991).

10123421224321 is an equidigital number, since it uses as much as digits as its factorization.

10123421224321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215391940990.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 10123421224321 its reverse (12342212432101), we get a palindrome (22465633656422).

The spelling of 10123421224321 in words is "ten trillion, one hundred twenty-three billion, four hundred twenty-one million, two hundred twenty-four thousand, three hundred twenty-one".