10012211321 has 4 divisors (see below), whose sum is σ = 11442527232. Its totient is φ = 8581895412.

The previous prime is 10012211311. The next prime is 10012211327. The reversal of 10012211321 is 12311221001.

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 10012211321 - 2¹⁴ = 10012194937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10012211296 and 10012211305.

It is not an unprimeable number, because it can be changed into a prime (10012211327) 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, 715157945 + ... + 715157958.

It is an arithmetic number, because the mean of its divisors is an integer number (2860631808).

Almost surely, 2^10012211321 is an apocalyptic number.

It is an amenable number.

10012211321 is a deficient number, since it is larger than the sum of its proper divisors (1430315911).

10012211321 is an equidigital number, since it uses as much as digits as its factorization.

10012211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430315910.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10012211321 its reverse (12311221001), we get a palindrome (22323432322).

The spelling of 10012211321 in words is "ten billion, twelve million, two hundred eleven thousand, three hundred twenty-one".