10011212010321 has 4 divisors (see below), whose sum is σ = 13348282680432. Its totient is φ = 6674141340212.

The previous prime is 10011212010311. The next prime is 10011212010353. The reversal of 10011212010321 is 12301021211001.

10011212010321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10011212010321 - 2²¹ = 10011209913169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10011212010321.

It is not an unprimeable number, because it can be changed into a prime (10011212010311) 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, 1668535335051 + ... + 1668535335056.

It is an arithmetic number, because the mean of its divisors is an integer number (3337070670108).

Almost surely, 2^{10011212010321} is an apocalyptic number.

It is an amenable number.

10011212010321 is a deficient number, since it is larger than the sum of its proper divisors (3337070670111).

10011212010321 is an equidigital number, since it uses as much as digits as its factorization.

10011212010321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337070670110.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 10011212010321 its reverse (12301021211001), we get a palindrome (22312233221322).

The spelling of 10011212010321 in words is "ten trillion, eleven billion, two hundred twelve million, ten thousand, three hundred twenty-one".