133110320021 has 16 divisors (see below), whose sum is σ = 159694970880. Its totient is φ = 108542654640.

The previous prime is 133110319933. The next prime is 133110320027. The reversal of 133110320021 is 120023011331.

It is not a de Polignac number, because 133110320021 - 2²⁶ = 133043211157 is a prime.

It is a super-4 number, since 4×133110320021⁴ (a number of 46 digits) contains 4444 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 (133110320027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5185601 + ... + 5211206.

It is an arithmetic number, because the mean of its divisors is an integer number (9980935680).

Almost surely, 2^133110320021 is an apocalyptic number.

It is an amenable number.

133110320021 is a deficient number, since it is larger than the sum of its proper divisors (26584650859).

133110320021 is a wasteful number, since it uses less digits than its factorization.

133110320021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10396904.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 133110320021 its reverse (120023011331), we get a palindrome (253133331352).

The spelling of 133110320021 in words is "one hundred thirty-three billion, one hundred ten million, three hundred twenty thousand, twenty-one".