133110021220121 has 8 divisors (see below), whose sum is σ = 146411022590688. Its totient is φ = 121009110198900.

The previous prime is 133110021220093. The next prime is 133110021220123. The reversal of 133110021220121 is 121022120011331.

It is not a de Polignac number, because 133110021220121 - 2²⁶ = 133109954111257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133110021220093 and 133110021220102.

It is not an unprimeable number, because it can be changed into a prime (133110021220123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50003763215 + ... + 50003765876.

It is an arithmetic number, because the mean of its divisors is an integer number (18301377823836).

Almost surely, 2^{133110021220121} is an apocalyptic number.

133110021220121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133110021220121 is a deficient number, since it is larger than the sum of its proper divisors (13301001370567).

133110021220121 is an equidigital number, since it uses as much as digits as its factorization.

133110021220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100007529124 (or 100007529102 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 133110021220121 its reverse (121022120011331), we get a palindrome (254132141231452).

The spelling of 133110021220121 in words is "one hundred thirty-three trillion, one hundred ten billion, twenty-one million, two hundred twenty thousand, one hundred twenty-one".