111222013101 has 16 divisors (see below), whose sum is σ = 149357603904. Its totient is φ = 73619109504.

The previous prime is 111222013093. The next prime is 111222013109. The reversal of 111222013101 is 101310222111.

It is an interprime number because it is at equal distance from previous prime (111222013093) and next prime (111222013109).

It is not a de Polignac number, because 111222013101 - 2³ = 111222013093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222013109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1296 + ... + 471641.

It is an arithmetic number, because the mean of its divisors is an integer number (9334850244).

Almost surely, 2^111222013101 is an apocalyptic number.

It is an amenable number.

111222013101 is a deficient number, since it is larger than the sum of its proper divisors (38135590803).

111222013101 is a wasteful number, since it uses less digits than its factorization.

111222013101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473500.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 111222013101 its reverse (101310222111), we get a palindrome (212532235212).

The spelling of 111222013101 in words is "one hundred eleven billion, two hundred twenty-two million, thirteen thousand, one hundred one".