133121420444103 has 96 divisors (see below), whose sum is σ = 227662299532800. Its totient is φ = 67693313945088.

The previous prime is 133121420444041. The next prime is 133121420444123. The reversal of 133121420444103 is 301444024121331.

It is a happy number.

It is not a de Polignac number, because 133121420444103 - 2³² = 133117125476807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133121420444123) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9662788 + ... + 18963446.

It is an arithmetic number, because the mean of its divisors is an integer number (2371482286800).

Almost surely, 2^{133121420444103} is an apocalyptic number.

133121420444103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

133121420444103 is a deficient number, since it is larger than the sum of its proper divisors (94540879088697).

133121420444103 is a wasteful number, since it uses less digits than its factorization.

133121420444103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9300841 (or 9300828 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 133121420444103 its reverse (301444024121331), we get a palindrome (434565444565434).

The spelling of 133121420444103 in words is "one hundred thirty-three trillion, one hundred twenty-one billion, four hundred twenty million, four hundred forty-four thousand, one hundred three".