2121122133 has 40 divisors (see below), whose sum is σ = 3591957600. Its totient is φ = 1236593952.

The previous prime is 2121122117. The next prime is 2121122141. The reversal of 2121122133 is 3312211212.

It is not a de Polignac number, because 2121122133 - 2⁴ = 2121122117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121122153) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 33003 + ... + 73016.

It is an arithmetic number, because the mean of its divisors is an integer number (89798940).

Almost surely, 2^2121122133 is an apocalyptic number.

It is an amenable number.

2121122133 is a deficient number, since it is larger than the sum of its proper divisors (1470835467).

2121122133 is a wasteful number, since it uses less digits than its factorization.

2121122133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106063 (or 106054 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 2121122133 is about 46055.6417065271. The cubic root of 2121122133 is about 1284.8582730133.

Adding to 2121122133 its reverse (3312211212), we get a palindrome (5433333345).

The spelling of 2121122133 in words is "two billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred thirty-three".