2132021033321 has 4 divisors (see below), whose sum is σ = 2132029593732. Its totient is φ = 2132012472912.

The previous prime is 2132021033291. The next prime is 2132021033323. The reversal of 2132021033321 is 1233301202312.

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 310967946025 + 1821053087296 = 557645^2 + 1349464^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2132021033321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2132021033323) 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, 3895070 + ... + 4408583.

It is an arithmetic number, because the mean of its divisors is an integer number (533007398433).

Almost surely, 2^{2132021033321} is an apocalyptic number.

It is an amenable number.

2132021033321 is a deficient number, since it is larger than the sum of its proper divisors (8560411).

2132021033321 is an equidigital number, since it uses as much as digits as its factorization.

2132021033321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8560410.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2132021033321 its reverse (1233301202312), we get a palindrome (3365322235633).

The spelling of 2132021033321 in words is "two trillion, one hundred thirty-two billion, twenty-one million, thirty-three thousand, three hundred twenty-one".