111000122100101 has 32 divisors (see below), whose sum is σ = 128207592253440. Its totient is φ = 95234961129984.

The previous prime is 111000122100053. The next prime is 111000122100103. The reversal of 111000122100101 is 101001221000111.

It is a de Polignac number, because none of the positive numbers 2^k-111000122100101 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 (111000122100103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 646832156 + ... + 647003738.

It is an arithmetic number, because the mean of its divisors is an integer number (4006487257920).

Almost surely, 2^{111000122100101} is an apocalyptic number.

It is an amenable number.

111000122100101 is a deficient number, since it is larger than the sum of its proper divisors (17207470153339).

111000122100101 is a wasteful number, since it uses less digits than its factorization.

111000122100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221085.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111000122100101 its reverse (101001221000111), we get a palindrome (212001343100212).

The spelling of 111000122100101 in words is "one hundred eleven trillion, one hundred twenty-two million, one hundred thousand, one hundred one".