133103113221 has 16 divisors (see below), whose sum is σ = 192388138880. Its totient is φ = 81367156800.

The previous prime is 133103113201. The next prime is 133103113279. The reversal of 133103113221 is 122311301331.

It is a happy number.

It is not a de Polignac number, because 133103113221 - 2⁷ = 133103113093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133103113201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11295106 + ... + 11306883.

It is an arithmetic number, because the mean of its divisors is an integer number (12024258680).

Almost surely, 2^133103113221 is an apocalyptic number.

It is an amenable number.

133103113221 is a deficient number, since it is larger than the sum of its proper divisors (59285025659).

133103113221 is a wasteful number, since it uses less digits than its factorization.

133103113221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22602156.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 133103113221 its reverse (122311301331), we get a palindrome (255414414552).

The spelling of 133103113221 in words is "one hundred thirty-three billion, one hundred three million, one hundred thirteen thousand, two hundred twenty-one".