10221311311 has 4 divisors (see below), whose sum is σ = 10221802000. Its totient is φ = 10220820624.

The previous prime is 10221311291. The next prime is 10221311333. The reversal of 10221311311 is 11311312201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11311312201 = 7 ⋅1615901743.

It is a cyclic number.

It is not a de Polignac number, because 10221311311 - 2⁵ = 10221311279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221311011) 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, 212646 + ... + 256243.

It is an arithmetic number, because the mean of its divisors is an integer number (2555450500).

Almost surely, 2^10221311311 is an apocalyptic number.

10221311311 is a deficient number, since it is larger than the sum of its proper divisors (490689).

10221311311 is an equidigital number, since it uses as much as digits as its factorization.

10221311311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490688.

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

Adding to 10221311311 its reverse (11311312201), we get a palindrome (21532623512).

The spelling of 10221311311 in words is "ten billion, two hundred twenty-one million, three hundred eleven thousand, three hundred eleven".