111542210311 has 6 divisors (see below), whose sum is σ = 129753183480. Its totient is φ = 95607608796.

The previous prime is 111542210287. The next prime is 111542210317. The reversal of 111542210311 is 113012245111.

It is not a de Polignac number, because 111542210311 - 2⁷ = 111542210183 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 (111542210317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1138185771 + ... + 1138185868.

It is an arithmetic number, because the mean of its divisors is an integer number (21625530580).

Almost surely, 2^111542210311 is an apocalyptic number.

111542210311 is a deficient number, since it is larger than the sum of its proper divisors (18210973169).

111542210311 is an equidigital number, since it uses as much as digits as its factorization.

111542210311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276371653 (or 2276371646 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 111542210311 its reverse (113012245111), we get a palindrome (224554455422).

The spelling of 111542210311 in words is "one hundred eleven billion, five hundred forty-two million, two hundred ten thousand, three hundred eleven".