133201121101 has 4 divisors (see below), whose sum is σ = 133408923804. Its totient is φ = 132993318400.

The previous prime is 133201121077. The next prime is 133201121107. The reversal of 133201121101 is 101121102331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82454548201 + 50746572900 = 287149^2 + 225270^2 .

It is a cyclic number.

It is not a de Polignac number, because 133201121101 - 2⁵ = 133201121069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133201121107) 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, 103900390 + ... + 103901671.

It is an arithmetic number, because the mean of its divisors is an integer number (33352230951).

Almost surely, 2^133201121101 is an apocalyptic number.

It is an amenable number.

133201121101 is a deficient number, since it is larger than the sum of its proper divisors (207802703).

133201121101 is an equidigital number, since it uses as much as digits as its factorization.

133201121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207802702.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 133201121101 its reverse (101121102331), we get a palindrome (234322223432).

The spelling of 133201121101 in words is "one hundred thirty-three billion, two hundred one million, one hundred twenty-one thousand, one hundred one".