111102001011111 has 64 divisors (see below), whose sum is σ = 172079661012480. Its totient is φ = 63014494371840.

The previous prime is 111102001011059. The next prime is 111102001011241. The reversal of 111102001011111 is 111110100201111.

It is not a de Polignac number, because 111102001011111 - 2¹³ = 111102001002919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111102001012111) 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, 222034560 + ... + 222534378.

It is an arithmetic number, because the mean of its divisors is an integer number (2688744703320).

Almost surely, 2^{111102001011111} is an apocalyptic number.

111102001011111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111102001011111 is a deficient number, since it is larger than the sum of its proper divisors (60977660001369).

111102001011111 is a wasteful number, since it uses less digits than its factorization.

111102001011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502096.

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 111102001011111 its reverse (111110100201111), we get a palindrome (222212101212222).

The spelling of 111102001011111 in words is "one hundred eleven trillion, one hundred two billion, one million, eleven thousand, one hundred eleven".