2101213233 has 12 divisors (see below), whose sum is σ = 3468669568. Its totient is φ = 1200693240.

The previous prime is 2101213123. The next prime is 2101213237. The reversal of 2101213233 is 3323121012.

It is not a de Polignac number, because 2101213233 - 2²² = 2097018929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101213237) 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 11 ways as a sum of consecutive naturals, for example, 16676233 + ... + 16676358.

Almost surely, 2^2101213233 is an apocalyptic number.

It is an amenable number.

2101213233 is a deficient number, since it is larger than the sum of its proper divisors (1367456335).

2101213233 is a wasteful number, since it uses less digits than its factorization.

2101213233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33352604 (or 33352601 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2101213233 is about 45838.9924954727. The cubic root of 2101213233 is about 1280.8257271785.

Adding to 2101213233 its reverse (3323121012), we get a palindrome (5424334245).

The spelling of 2101213233 in words is "two billion, one hundred one million, two hundred thirteen thousand, two hundred thirty-three".