2111020201 has 4 divisors (see below), whose sum is σ = 2202803712. Its totient is φ = 2019236692.

The previous prime is 2111020187. The next prime is 2111020207. The reversal of 2111020201 is 1020201112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2111020201 - 2⁷ = 2111020073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111020207) 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 3 ways as a sum of consecutive naturals, for example, 45891721 + ... + 45891766.

It is an arithmetic number, because the mean of its divisors is an integer number (550700928).

Almost surely, 2^2111020201 is an apocalyptic number.

It is an amenable number.

2111020201 is a deficient number, since it is larger than the sum of its proper divisors (91783511).

2111020201 is an equidigital number, since it uses as much as digits as its factorization.

2111020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91783510.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2111020201 is about 45945.8398660858. The cubic root of 2111020201 is about 1282.8152960736.

Adding to 2111020201 its reverse (1020201112), we get a palindrome (3131221313).

The spelling of 2111020201 in words is "two billion, one hundred eleven million, twenty thousand, two hundred one".