211100110101099 has 20 divisors (see below), whose sum is σ = 315348154567600. Its totient is φ = 140732926305840.

The previous prime is 211100110101061. The next prime is 211100110101121. The reversal of 211100110101099 is 990101011001112.

It is not a de Polignac number, because 211100110101099 - 2⁸ = 211100110100843 is a prime.

It is a super-2 number, since 2×211100110101099² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211100110105099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20268177 + ... + 28861725.

It is an arithmetic number, because the mean of its divisors is an integer number (15767407728380).

Almost surely, 2^{211100110101099} is an apocalyptic number.

211100110101099 is a deficient number, since it is larger than the sum of its proper divisors (104248044466501).

211100110101099 is an equidigital number, since it uses as much as digits as its factorization.

211100110101099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8896832 (or 8896823 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 27.

The spelling of 211100110101099 in words is "two hundred eleven trillion, one hundred billion, one hundred ten million, one hundred one thousand, ninety-nine".