10221321033001 has 4 divisors (see below), whose sum is σ = 11007576497092. Its totient is φ = 9435065568912.

The previous prime is 10221321032849. The next prime is 10221321033017. The reversal of 10221321033001 is 10033012312201.

10221321033001 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.

It can be written as a sum of positive squares in 2 ways, for example, as 4816602744976 + 5404718288025 = 2194676^2 + 2324805^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221321033001 - 2¹⁹ = 10221320508713 is a prime.

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 10221321033001.

It is not an unprimeable number, because it can be changed into a prime (10221321033071) 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, 393127732026 + ... + 393127732051.

It is an arithmetic number, because the mean of its divisors is an integer number (2751894124273).

Almost surely, 2^{10221321033001} is an apocalyptic number.

It is an amenable number.

10221321033001 is a deficient number, since it is larger than the sum of its proper divisors (786255464091).

10221321033001 is an equidigital number, since it uses as much as digits as its factorization.

10221321033001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786255464090.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10221321033001 its reverse (10033012312201), we get a palindrome (20254333345202).

The spelling of 10221321033001 in words is "ten trillion, two hundred twenty-one billion, three hundred twenty-one million, thirty-three thousand, one".