111012101210111 has 16 divisors (see below), whose sum is σ = 113359182516384. Its totient is φ = 108687424126464.

The previous prime is 111012101210039. The next prime is 111012101210137.

111012101210111 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 111012101210111 - 2²⁶ = 111012034101247 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 (111012101210611) 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, 240223205 + ... + 240684881.

It is an arithmetic number, because the mean of its divisors is an integer number (7084948907274).

Almost surely, 2^{111012101210111} is an apocalyptic number.

111012101210111 is a deficient number, since it is larger than the sum of its proper divisors (2347081306273).

111012101210111 is a wasteful number, since it uses less digits than its factorization.

111012101210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485930.

The product of its (nonzero) digits is 4, while the sum is 14.

It can be divided in two parts, 11101210 and 1210111, that added together give a palindrome (12311321).

The spelling of 111012101210111 in words is "one hundred eleven trillion, twelve billion, one hundred one million, two hundred ten thousand, one hundred eleven".