111100211019999 has 12 divisors (see below), whose sum is σ = 160994089284912. Its totient is φ = 73828650408000.

The previous prime is 111100211019943. The next prime is 111100211020003. The reversal of 111100211019999 is 999910112001111.

It is not a de Polignac number, because 111100211019999 - 2¹² = 111100211015903 is a prime.

It is a super-3 number, since 3×111100211019999³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100211014999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19846408602 + ... + 19846414199.

It is an arithmetic number, because the mean of its divisors is an integer number (13416174107076).

Almost surely, 2^{111100211019999} is an apocalyptic number.

111100211019999 is a deficient number, since it is larger than the sum of its proper divisors (49893878264913).

111100211019999 is a wasteful number, since it uses less digits than its factorization.

111100211019999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39692823118 (or 39692823115 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 45.

The spelling of 111100211019999 in words is "one hundred eleven trillion, one hundred billion, two hundred eleven million, nineteen thousand, nine hundred ninety-nine".