111100010211111 has 8 divisors (see below), whose sum is σ = 148133456804464. Its totient is φ = 74066618545920.

The previous prime is 111100010211107. The next prime is 111100010211181. The reversal of 111100010211111 is 111112010001111.

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

It is not a de Polignac number, because 111100010211111 - 2² = 111100010211107 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 (111100010211181) 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, 8754826 + ... + 17287191.

It is an arithmetic number, because the mean of its divisors is an integer number (18516682100558).

Almost surely, 2^{111100010211111} is an apocalyptic number.

111100010211111 is a deficient number, since it is larger than the sum of its proper divisors (37033446593353).

111100010211111 is a wasteful number, since it uses less digits than its factorization.

111100010211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27464081.

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

Adding to 111100010211111 its reverse (111112010001111), we get a palindrome (222212020212222).

The spelling of 111100010211111 in words is "one hundred eleven trillion, one hundred billion, ten million, two hundred eleven thousand, one hundred eleven".