10221321203001 has 16 divisors (see below), whose sum is σ = 15149974806720. Its totient is φ = 6810939607680.

The previous prime is 10221321202993. The next prime is 10221321203029. The reversal of 10221321203001 is 10030212312201.

10221321203001 is a `hidden beast` number, since 1 + 0 + 2 + 21 + 321 + 20 + 300 + 1 = 666.

10221321203001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10221321203001 - 2³ = 10221321202993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10221321203201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90901875 + ... + 91014248.

It is an arithmetic number, because the mean of its divisors is an integer number (946873425420).

Almost surely, 2^{10221321203001} is an apocalyptic number.

It is an amenable number.

10221321203001 is a deficient number, since it is larger than the sum of its proper divisors (4928653603719).

10221321203001 is a wasteful number, since it uses less digits than its factorization.

10221321203001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181918213 (or 181918207 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10221321203001 its reverse (10030212312201), we get a palindrome (20251533515202).

The spelling of 10221321203001 in words is "ten trillion, two hundred twenty-one billion, three hundred twenty-one million, two hundred three thousand, one".