2111012133 has 4 divisors (see below), whose sum is σ = 2814682848. Its totient is φ = 1407341420.

The previous prime is 2111012131. The next prime is 2111012143. The reversal of 2111012133 is 3312101112.

It is a happy number.

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 2111012133 - 2¹ = 2111012131 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111012131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351835353 + ... + 351835358.

It is an arithmetic number, because the mean of its divisors is an integer number (703670712).

Almost surely, 2^2111012133 is an apocalyptic number.

It is an amenable number.

2111012133 is a deficient number, since it is larger than the sum of its proper divisors (703670715).

2111012133 is an equidigital number, since it uses as much as digits as its factorization.

2111012133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703670714.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2111012133 is about 45945.7520669757. The cubic root of 2111012133 is about 1282.8136618295.

Adding to 2111012133 its reverse (3312101112), we get a palindrome (5423113245).

The spelling of 2111012133 in words is "two billion, one hundred eleven million, twelve thousand, one hundred thirty-three".