133242342121 has 8 divisors (see below), whose sum is σ = 153846828800. Its totient is φ = 113030322048.

The previous prime is 133242342113. The next prime is 133242342133. The reversal of 133242342121 is 121243242331.

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

It is not a de Polignac number, because 133242342121 - 2³ = 133242342113 is a prime.

It is a super-2 number, since 2×133242342121² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133242342121.

It is not an unprimeable number, because it can be changed into a prime (133242312121) 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, 98115921 + ... + 98117278.

It is an arithmetic number, because the mean of its divisors is an integer number (19230853600).

Almost surely, 2^133242342121 is an apocalyptic number.

It is an amenable number.

133242342121 is a deficient number, since it is larger than the sum of its proper divisors (20604486679).

133242342121 is an equidigital number, since it uses as much as digits as its factorization.

133242342121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196233303.

The product of its digits is 6912, while the sum is 28.

Adding to 133242342121 its reverse (121243242331), we get a palindrome (254485584452).

The spelling of 133242342121 in words is "one hundred thirty-three billion, two hundred forty-two million, three hundred forty-two thousand, one hundred twenty-one".