2133101120221 has 4 divisors (see below), whose sum is σ = 2134755971100. Its totient is φ = 2131446269344.

The previous prime is 2133101120207. The next prime is 2133101120291. The reversal of 2133101120221 is 1220211013312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 963705439225 + 1169395680996 = 981685^2 + 1081386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2133101120221 is a prime.

It is a super-3 number, since 3×2133101120221³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133101120201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827423506 + ... + 827426083.

It is an arithmetic number, because the mean of its divisors is an integer number (533688992775).

Almost surely, 2^{2133101120221} is an apocalyptic number.

It is an amenable number.

2133101120221 is a deficient number, since it is larger than the sum of its proper divisors (1654850879).

2133101120221 is a wasteful number, since it uses less digits than its factorization.

2133101120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654850878.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2133101120221 its reverse (1220211013312), we get a palindrome (3353312133533).

The spelling of 2133101120221 in words is "two trillion, one hundred thirty-three billion, one hundred one million, one hundred twenty thousand, two hundred twenty-one".