2120121133 has 8 divisors (see below), whose sum is σ = 2317286048. Its totient is φ = 1927824624.

The previous prime is 2120121097. The next prime is 2120121139. The reversal of 2120121133 is 3311210212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120121133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120121139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1216191 + ... + 1217932.

It is an arithmetic number, because the mean of its divisors is an integer number (289660756).

Almost surely, 2^2120121133 is an apocalyptic number.

It is an amenable number.

2120121133 is a deficient number, since it is larger than the sum of its proper divisors (197164915).

2120121133 is a wasteful number, since it uses less digits than its factorization.

2120121133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434203.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2120121133 is about 46044.7731344178. The cubic root of 2120121133 is about 1284.6561244299.

Adding to 2120121133 its reverse (3311210212), we get a palindrome (5431331345).

The spelling of 2120121133 in words is "two billion, one hundred twenty million, one hundred twenty-one thousand, one hundred thirty-three".