111210100100111 has 8 divisors (see below), whose sum is σ = 114560115608400. Its totient is φ = 107894799778752.

The previous prime is 111210100100107. The next prime is 111210100100117. The reversal of 111210100100111 is 111001001012111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111210100100111 - 2² = 111210100100107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111210100100092 and 111210100100101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111210100100117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8678790230 + ... + 8678803043.

It is an arithmetic number, because the mean of its divisors is an integer number (14320014451050).

Almost surely, 2^{111210100100111} is an apocalyptic number.

111210100100111 is a deficient number, since it is larger than the sum of its proper divisors (3350015508289).

111210100100111 is a wasteful number, since it uses less digits than its factorization.

111210100100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17357593465.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 111210100100111 its reverse (111001001012111), we get a palindrome (222211101112222).

The spelling of 111210100100111 in words is "one hundred eleven trillion, two hundred ten billion, one hundred million, one hundred thousand, one hundred eleven".