111213055101 has 16 divisors (see below), whose sum is σ = 148768256000. Its totient is φ = 73900116288.

The previous prime is 111213055049. The next prime is 111213055133. The reversal of 111213055101 is 101550312111.

It is not a de Polignac number, because 111213055101 - 2²³ = 111204666493 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 (111213055501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2782980 + ... + 2822658.

It is an arithmetic number, because the mean of its divisors is an integer number (9298016000).

Almost surely, 2^111213055101 is an apocalyptic number.

It is an amenable number.

111213055101 is a deficient number, since it is larger than the sum of its proper divisors (37555200899).

111213055101 is a wasteful number, since it uses less digits than its factorization.

111213055101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42708.

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 111213055101 its reverse (101550312111), we get a palindrome (212763367212).

The spelling of 111213055101 in words is "one hundred eleven billion, two hundred thirteen million, fifty-five thousand, one hundred one".