1102111211999 has 24 divisors (see below), whose sum is σ = 1302545563920. Its totient is φ = 929621556864.

The previous prime is 1102111211941. The next prime is 1102111212023. The reversal of 1102111211999 is 9991121112011.

It is not a de Polignac number, because 1102111211999 - 2²⁰ = 1102110163423 is a prime.

It is a super-3 number, since 3×1102111211999³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102111211939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1236857 + ... + 1932365.

It is an arithmetic number, because the mean of its divisors is an integer number (54272731830).

Almost surely, 2^{1102111211999} is an apocalyptic number.

1102111211999 is a deficient number, since it is larger than the sum of its proper divisors (200434351921).

1102111211999 is an equidigital number, since it uses as much as digits as its factorization.

1102111211999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696039 (or 696032 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 38.

The spelling of 1102111211999 in words is "one trillion, one hundred two billion, one hundred eleven million, two hundred eleven thousand, nine hundred ninety-nine".