133213012120101 has 4 divisors (see below), whose sum is σ = 177617349493472. Its totient is φ = 88808674746732.

The previous prime is 133213012120087. The next prime is 133213012120103. The reversal of 133213012120101 is 101021210312331.

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 133213012120101 - 2⁹ = 133213012119589 is a prime.

It is a super-2 number, since 2×133213012120101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133213012120103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22202168686681 + ... + 22202168686686.

It is an arithmetic number, because the mean of its divisors is an integer number (44404337373368).

Almost surely, 2^{133213012120101} is an apocalyptic number.

It is an amenable number.

133213012120101 is a deficient number, since it is larger than the sum of its proper divisors (44404337373371).

133213012120101 is an equidigital number, since it uses as much as digits as its factorization.

133213012120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44404337373370.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 133213012120101 its reverse (101021210312331), we get a palindrome (234234222432432).

The spelling of 133213012120101 in words is "one hundred thirty-three trillion, two hundred thirteen billion, twelve million, one hundred twenty thousand, one hundred one".