111120111112101 has 64 divisors (see below), whose sum is σ = 195421936754688. Its totient is φ = 54549168208128.

The previous prime is 111120111112091. The next prime is 111120111112117. The reversal of 111120111112101 is 101211111021111.

It is a happy number.

It is not a de Polignac number, because 111120111112101 - 2⁵ = 111120111112069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120111112151) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 238917721 + ... + 239382366.

It is an arithmetic number, because the mean of its divisors is an integer number (3053467761792).

Almost surely, 2^{111120111112101} is an apocalyptic number.

It is an amenable number.

111120111112101 is a deficient number, since it is larger than the sum of its proper divisors (84301825642587).

111120111112101 is a wasteful number, since it uses less digits than its factorization.

111120111112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478300170.

The product of its (nonzero) digits is 4, while the sum is 15.

Adding to 111120111112101 its reverse (101211111021111), we get a palindrome (212331222133212).

The spelling of 111120111112101 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred eleven million, one hundred twelve thousand, one hundred one".