111000111001011 has 24 divisors (see below), whose sum is σ = 160448188489056. Its totient is φ = 73947144395520.

The previous prime is 111000111001007. The next prime is 111000111001027. The reversal of 111000111001011 is 110100111000111.

It is not a de Polignac number, because 111000111001011 - 2² = 111000111001007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 111000111000984 and 111000111001002.

It is not an unprimeable number, because it can be changed into a prime (111000111001511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212390641 + ... + 212912621.

It is an arithmetic number, because the mean of its divisors is an integer number (6685341187044).

Almost surely, 2^{111000111001011} is an apocalyptic number.

111000111001011 is a deficient number, since it is larger than the sum of its proper divisors (49448077488045).

111000111001011 is a wasteful number, since it uses less digits than its factorization.

111000111001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538843 (or 538840 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 111000111001011 its reverse (110100111000111), we get a palindrome (221100222001122).

The spelling of 111000111001011 in words is "one hundred eleven trillion, one hundred eleven million, one thousand, eleven".