2121433011 has 56 divisors (see below), whose sum is σ = 3382878720. Its totient is φ = 1325951856.

The previous prime is 2121433001. The next prime is 2121433091. The reversal of 2121433011 is 1103341212.

It is not a de Polignac number, because 2121433011 - 2¹⁰ = 2121431987 is a prime.

It is a super-2 number, since 2×2121433011² = 9000956040321052242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2121433001) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1425910 + ... + 1427396.

Almost surely, 2^2121433011 is an apocalyptic number.

2121433011 is a deficient number, since it is larger than the sum of its proper divisors (1261445709).

2121433011 is a wasteful number, since it uses less digits than its factorization.

2121433011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627 (or 1612 counting only the distinct ones).

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

The square root of 2121433011 is about 46059.0166091288. The cubic root of 2121433011 is about 1284.9210408366.

Adding to 2121433011 its reverse (1103341212), we get a palindrome (3224774223).

The spelling of 2121433011 in words is "two billion, one hundred twenty-one million, four hundred thirty-three thousand, eleven".