133233130220321 has 4 divisors (see below), whose sum is σ = 133233198950592. Its totient is φ = 133233061490052.

The previous prime is 133233130220233. The next prime is 133233130220327. The reversal of 133233130220321 is 123022031332331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133233130220321 - 2²⁶ = 133233063111457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133233130220327) 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, 31370405 + ... + 35363378.

It is an arithmetic number, because the mean of its divisors is an integer number (33308299737648).

Almost surely, 2^{133233130220321} is an apocalyptic number.

It is an amenable number.

133233130220321 is a deficient number, since it is larger than the sum of its proper divisors (68730271).

133233130220321 is an equidigital number, since it uses as much as digits as its factorization.

133233130220321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68730270.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 133233130220321 its reverse (123022031332331), we get a palindrome (256255161552652).

The spelling of 133233130220321 in words is "one hundred thirty-three trillion, two hundred thirty-three billion, one hundred thirty million, two hundred twenty thousand, three hundred twenty-one".