10311221101 has 4 divisors (see below), whose sum is σ = 10530608832. Its totient is φ = 10091833372.

The previous prime is 10311221083. The next prime is 10311221111. The reversal of 10311221101 is 10112211301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10311221101 - 2²⁵ = 10277666669 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 (10311221111) 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, 109693795 + ... + 109693888.

It is an arithmetic number, because the mean of its divisors is an integer number (2632652208).

Almost surely, 2^10311221101 is an apocalyptic number.

It is an amenable number.

10311221101 is a deficient number, since it is larger than the sum of its proper divisors (219387731).

10311221101 is an equidigital number, since it uses as much as digits as its factorization.

10311221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219387730.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10311221101 its reverse (10112211301), we get a palindrome (20423432402).

The spelling of 10311221101 in words is "ten billion, three hundred eleven million, two hundred twenty-one thousand, one hundred one".