2133301132021 has 4 divisors (see below), whose sum is σ = 2133630300844. Its totient is φ = 2132971963200.

The previous prime is 2133301131959. The next prime is 2133301132033. The reversal of 2133301132021 is 1202311033312.

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 1267675579921 + 865625552100 = 1125911^2 + 930390^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133301132021 - 2⁹ = 2133301131509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2133301131983 and 2133301132001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133301132091) 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, 164574690 + ... + 164587651.

It is an arithmetic number, because the mean of its divisors is an integer number (533407575211).

Almost surely, 2^{2133301132021} is an apocalyptic number.

It is an amenable number.

2133301132021 is a deficient number, since it is larger than the sum of its proper divisors (329168823).

2133301132021 is an equidigital number, since it uses as much as digits as its factorization.

2133301132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329168822.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2133301132021 its reverse (1202311033312), we get a palindrome (3335612165333).

The spelling of 2133301132021 in words is "two trillion, one hundred thirty-three billion, three hundred one million, one hundred thirty-two thousand, twenty-one".