10201211321 has 16 divisors (see below), whose sum is σ = 12805708800. Its totient is φ = 7923527568.

The previous prime is 10201211311. The next prime is 10201211329. The reversal of 10201211321 is 12311210201.

It is a cyclic number.

It is not a de Polignac number, because 10201211321 - 2⁶ = 10201211257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10201211296 and 10201211305.

It is not an unprimeable number, because it can be changed into a prime (10201211329) 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, 1664351 + ... + 1670468.

It is an arithmetic number, because the mean of its divisors is an integer number (800356800).

Almost surely, 2^10201211321 is an apocalyptic number.

It is an amenable number.

10201211321 is a deficient number, since it is larger than the sum of its proper divisors (2604497479).

10201211321 is a wasteful number, since it uses less digits than its factorization.

10201211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334868.

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

Adding to 10201211321 its reverse (12311210201), we get a palindrome (22512421522).

The spelling of 10201211321 in words is "ten billion, two hundred one million, two hundred eleven thousand, three hundred twenty-one".