10221321201 has 64 divisors (see below), whose sum is σ = 17249379840. Its totient is φ = 5240401920.

The previous prime is 10221321137. The next prime is 10221321239. The reversal of 10221321201 is 10212312201.

It is not a de Polignac number, because 10221321201 - 2⁶ = 10221321137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10221321251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1573881 + ... + 1580361.

It is an arithmetic number, because the mean of its divisors is an integer number (269521560).

Almost surely, 2^10221321201 is an apocalyptic number.

It is an amenable number.

10221321201 is a deficient number, since it is larger than the sum of its proper divisors (7028058639).

10221321201 is a wasteful number, since it uses less digits than its factorization.

10221321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6666.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10221321201 its reverse (10212312201), we get a palindrome (20433633402).

The spelling of 10221321201 in words is "ten billion, two hundred twenty-one million, three hundred twenty-one thousand, two hundred one".