133120221312121 has 8 divisors (see below), whose sum is σ = 133333195148064. Its totient is φ = 132907263982080.

The previous prime is 133120221312047. The next prime is 133120221312151. The reversal of 133120221312121 is 121213122021331.

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

It is a cyclic number.

It is not a de Polignac number, because 133120221312121 - 2²⁹ = 133119684441209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133120221312151) 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, 12067230 + ... + 20294296.

It is an arithmetic number, because the mean of its divisors is an integer number (16666649393508).

Almost surely, 2^{133120221312121} is an apocalyptic number.

It is an amenable number.

133120221312121 is a deficient number, since it is larger than the sum of its proper divisors (212973835943).

133120221312121 is an equidigital number, since it uses as much as digits as its factorization.

133120221312121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8252951.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 133120221312121 its reverse (121213122021331), we get a palindrome (254333343333452).

The spelling of 133120221312121 in words is "one hundred thirty-three trillion, one hundred twenty billion, two hundred twenty-one million, three hundred twelve thousand, one hundred twenty-one".