2121233301 has 48 divisors (see below), whose sum is σ = 3440428992. Its totient is φ = 1248307200.

The previous prime is 2121233297. The next prime is 2121233393. The reversal of 2121233301 is 1033321212.

2121233301 is a `hidden beast` number, since 212 + 123 + 330 + 1 = 666.

It is not a de Polignac number, because 2121233301 - 2² = 2121233297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121233201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 769141 + ... + 771893.

It is an arithmetic number, because the mean of its divisors is an integer number (71675604).

Almost surely, 2^2121233301 is an apocalyptic number.

It is an amenable number.

2121233301 is a deficient number, since it is larger than the sum of its proper divisors (1319195691).

2121233301 is a wasteful number, since it uses less digits than its factorization.

2121233301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994 (or 2991 counting only the distinct ones).

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

The square root of 2121233301 is about 46056.8485786859. The cubic root of 2121233301 is about 1284.8807190930.

Adding to 2121233301 its reverse (1033321212), we get a palindrome (3154554513).

The spelling of 2121233301 in words is "two billion, one hundred twenty-one million, two hundred thirty-three thousand, three hundred one".