2133120291 has 16 divisors (see below), whose sum is σ = 3016717440. Its totient is φ = 1336944960.

The previous prime is 2133120229. The next prime is 2133120293. The reversal of 2133120291 is 1920213312.

It is not a de Polignac number, because 2133120291 - 2¹³ = 2133112099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2133120293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135370 + ... + 150303.

It is an arithmetic number, because the mean of its divisors is an integer number (188544840).

Almost surely, 2^2133120291 is an apocalyptic number.

2133120291 is a deficient number, since it is larger than the sum of its proper divisors (883597149).

2133120291 is a wasteful number, since it uses less digits than its factorization.

2133120291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285826.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 2133120291 is about 46185.7152266802. The cubic root of 2133120291 is about 1287.2763259411.

The spelling of 2133120291 in words is "two billion, one hundred thirty-three million, one hundred twenty thousand, two hundred ninety-one".