10111231311 has 12 divisors (see below), whose sum is σ = 14228548632. Its totient is φ = 6386040144.

The previous prime is 10111231303. The next prime is 10111231331. The reversal of 10111231311 is 11313211101.

It is not a de Polignac number, because 10111231311 - 2³ = 10111231303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111231331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4667076 + ... + 4669241.

It is an arithmetic number, because the mean of its divisors is an integer number (1185712386).

Almost surely, 2^10111231311 is an apocalyptic number.

10111231311 is a deficient number, since it is larger than the sum of its proper divisors (4117317321).

10111231311 is an equidigital number, since it uses as much as digits as its factorization.

10111231311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9336358 (or 9336339 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 10111231311 its reverse (11313211101), we get a palindrome (21424442412).

The spelling of 10111231311 in words is "ten billion, one hundred eleven million, two hundred thirty-one thousand, three hundred eleven".