133132321221 has 8 divisors (see below), whose sum is σ = 187951512384. Its totient is φ = 83534005440.

The previous prime is 133132321211. The next prime is 133132321237. The reversal of 133132321221 is 122123231331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133132321221 - 2¹⁸ = 133132059077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133132321191 and 133132321200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133132321211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1305218785 + ... + 1305218886.

It is an arithmetic number, because the mean of its divisors is an integer number (23493939048).

Almost surely, 2^133132321221 is an apocalyptic number.

It is an amenable number.

133132321221 is a deficient number, since it is larger than the sum of its proper divisors (54819191163).

133132321221 is a wasteful number, since it uses less digits than its factorization.

133132321221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610437691.

The product of its digits is 1296, while the sum is 24.

Adding to 133132321221 its reverse (122123231331), we get a palindrome (255255552552).

The spelling of 133132321221 in words is "one hundred thirty-three billion, one hundred thirty-two million, three hundred twenty-one thousand, two hundred twenty-one".