10211131321 has 16 divisors (see below), whose sum is σ = 10452723840. Its totient is φ = 9972668160.

The previous prime is 10211131289. The next prime is 10211131327. The reversal of 10211131321 is 12313111201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10211131321 - 2⁵ = 10211131289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10211131295 and 10211131304.

It is not an unprimeable number, because it can be changed into a prime (10211131327) 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, 4223505 + ... + 4225921.

It is an arithmetic number, because the mean of its divisors is an integer number (653295240).

Almost surely, 2^10211131321 is an apocalyptic number.

It is an amenable number.

10211131321 is a deficient number, since it is larger than the sum of its proper divisors (241592519).

10211131321 is a wasteful number, since it uses less digits than its factorization.

10211131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10211131321 its reverse (12313111201), we get a palindrome (22524242522).

The spelling of 10211131321 in words is "ten billion, two hundred eleven million, one hundred thirty-one thousand, three hundred twenty-one".