133233000322021 has 4 divisors (see below), whose sum is σ = 133236336441292. Its totient is φ = 133229664202752.

The previous prime is 133233000321917. The next prime is 133233000322031. The reversal of 133233000322021 is 120223000332331.

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 58587374669121 + 74645625652900 = 7654239^2 + 8639770^2 .

It is a cyclic number.

It is not a de Polignac number, because 133233000322021 - 2²³ = 133232991933413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133233000322031) 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, 1667999730 + ... + 1668079603.

It is an arithmetic number, because the mean of its divisors is an integer number (33309084110323).

Almost surely, 2^{133233000322021} is an apocalyptic number.

It is an amenable number.

133233000322021 is a deficient number, since it is larger than the sum of its proper divisors (3336119271).

133233000322021 is an equidigital number, since it uses as much as digits as its factorization.

133233000322021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336119270.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 133233000322021 its reverse (120223000332331), we get a palindrome (253456000654352).

The spelling of 133233000322021 in words is "one hundred thirty-three trillion, two hundred thirty-three billion, three hundred twenty-two thousand, twenty-one".