133011032221 has 4 divisors (see below), whose sum is σ = 134026383744. Its totient is φ = 131995680700.

The previous prime is 133011032177. The next prime is 133011032233. The reversal of 133011032221 is 122230110331.

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 133011032221 - 2⁷ = 133011032093 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 (133011032321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507675565 + ... + 507675826.

It is an arithmetic number, because the mean of its divisors is an integer number (33506595936).

Almost surely, 2^133011032221 is an apocalyptic number.

It is an amenable number.

133011032221 is a deficient number, since it is larger than the sum of its proper divisors (1015351523).

133011032221 is a wasteful number, since it uses less digits than its factorization.

133011032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015351522.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 133011032221 its reverse (122230110331), we get a palindrome (255241142552).

The spelling of 133011032221 in words is "one hundred thirty-three billion, eleven million, thirty-two thousand, two hundred twenty-one".