2111001101 has 16 divisors (see below), whose sum is σ = 2340180288. Its totient is φ = 1888272000.

The previous prime is 2111001083. The next prime is 2111001103. The reversal of 2111001101 is 1011001112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2111001101 - 2¹⁰ = 2111000077 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 (2111001103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175265 + ... + 186921.

It is an arithmetic number, because the mean of its divisors is an integer number (146261268).

Almost surely, 2^2111001101 is an apocalyptic number.

It is an amenable number.

2111001101 is a deficient number, since it is larger than the sum of its proper divisors (229179187).

2111001101 is a wasteful number, since it uses less digits than its factorization.

2111001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11932.

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 2111001101 is about 45945.6320121946. The cubic root of 2111001101 is about 1282.8114271945.

Adding to 2111001101 its reverse (1011001112), we get a palindrome (3122002213).

The spelling of 2111001101 in words is "two billion, one hundred eleven million, one thousand, one hundred one".