133022101 has 4 divisors (see below), whose sum is σ = 137609100. Its totient is φ = 128435104.

The previous prime is 133022089. The next prime is 133022111. The reversal of 133022101 is 101220331.

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 58216900 + 74805201 = 7630^2 + 8649^2 .

It is a cyclic number.

It is not a de Polignac number, because 133022101 - 2⁵ = 133022069 is a prime.

It is a super-4 number, since 4×133022101⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133022111) 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, 2293456 + ... + 2293513.

It is an arithmetic number, because the mean of its divisors is an integer number (34402275).

Almost surely, 2^133022101 is an apocalyptic number.

It is an amenable number.

133022101 is a deficient number, since it is larger than the sum of its proper divisors (4586999).

133022101 is an equidigital number, since it uses as much as digits as its factorization.

133022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4586998.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 133022101 is about 11533.5207547392. The cubic root of 133022101 is about 510.4751447853.

Adding to 133022101 its reverse (101220331), we get a palindrome (234242432).

The spelling of 133022101 in words is "one hundred thirty-three million, twenty-two thousand, one hundred one".