133040510121 has 4 divisors (see below), whose sum is σ = 177387346832. Its totient is φ = 88693673412.

The previous prime is 133040510107. The next prime is 133040510143. The reversal of 133040510121 is 121015040331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 133040510121 - 2¹⁹ = 133039985833 is a prime.

It is a super-3 number, since 3×133040510121³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133040510101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22173418351 + ... + 22173418356.

It is an arithmetic number, because the mean of its divisors is an integer number (44346836708).

Almost surely, 2^133040510121 is an apocalyptic number.

It is an amenable number.

133040510121 is a deficient number, since it is larger than the sum of its proper divisors (44346836711).

133040510121 is an equidigital number, since it uses as much as digits as its factorization.

133040510121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44346836710.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 133040510121 its reverse (121015040331), we get a palindrome (254055550452).

The spelling of 133040510121 in words is "one hundred thirty-three billion, forty million, five hundred ten thousand, one hundred twenty-one".