2111202133 has 6 divisors (see below), whose sum is σ = 2147595254. Its totient is φ = 2075415624.

The previous prime is 2111202101. The next prime is 2111202139. The reversal of 2111202133 is 3312021112.

It can be written as a sum of positive squares in only one way, i.e., 1548658609 + 562543524 = 39353^2 + 23718^2 .

It is not a de Polignac number, because 2111202133 - 2⁵ = 2111202101 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 (2111202139) 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 5 ways as a sum of consecutive naturals, for example, 299766 + ... + 306727.

Almost surely, 2^2111202133 is an apocalyptic number.

It is an amenable number.

2111202133 is a deficient number, since it is larger than the sum of its proper divisors (36393121).

2111202133 is an frugal number, since it uses more digits than its factorization.

2111202133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606611 (or 606552 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2111202133 is about 45947.8196762371. The cubic root of 2111202133 is about 1282.8521468892.

Adding to 2111202133 its reverse (3312021112), we get a palindrome (5423223245).

The spelling of 2111202133 in words is "two billion, one hundred eleven million, two hundred two thousand, one hundred thirty-three".