111210421311 has 96 divisors (see below), whose sum is σ = 190936928000. Its totient is φ = 63749125440.

The previous prime is 111210421303. The next prime is 111210421327. The reversal of 111210421311 is 113124012111.

111210421311 is a `hidden beast` number, since 1 + 1 + 1 + 210 + 421 + 31 + 1 = 666.

It is not a de Polignac number, because 111210421311 - 2³ = 111210421303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111210421111) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 54809445 + ... + 54811473.

Almost surely, 2^111210421311 is an apocalyptic number.

111210421311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111210421311 is a deficient number, since it is larger than the sum of its proper divisors (79726506689).

111210421311 is a wasteful number, since it uses less digits than its factorization.

111210421311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962 (or 2945 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 111210421311 its reverse (113124012111), we get a palindrome (224334433422).

The spelling of 111210421311 in words is "one hundred eleven billion, two hundred ten million, four hundred twenty-one thousand, three hundred eleven".