2101124033 has 4 divisors (see below), whose sum is σ = 2129906628. Its totient is φ = 2072341440.

The previous prime is 2101124009. The next prime is 2101124041. The reversal of 2101124033 is 3304211012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1129430449 + 971693584 = 33607^2 + 31172^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101124033 - 2²⁶ = 2034015169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101124533) 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, 14391188 + ... + 14391333.

It is an arithmetic number, because the mean of its divisors is an integer number (532476657).

Almost surely, 2^2101124033 is an apocalyptic number.

It is an amenable number.

2101124033 is a deficient number, since it is larger than the sum of its proper divisors (28782595).

2101124033 is an equidigital number, since it uses as much as digits as its factorization.

2101124033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28782594.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2101124033 is about 45838.0195143726. The cubic root of 2101124033 is about 1280.8076025271.

Adding to 2101124033 its reverse (3304211012), we get a palindrome (5405335045).

The spelling of 2101124033 in words is "two billion, one hundred one million, one hundred twenty-four thousand, thirty-three".