133101012021 has 8 divisors (see below), whose sum is σ = 179462039040. Its totient is φ = 87736996512.

The previous prime is 133101011987. The next prime is 133101012043. The reversal of 133101012021 is 120210101331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133101012021 - 2¹⁰ = 133101010997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133101016021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249252565 + ... + 249253098.

It is an arithmetic number, because the mean of its divisors is an integer number (22432754880).

Almost surely, 2^133101012021 is an apocalyptic number.

It is an amenable number.

133101012021 is a deficient number, since it is larger than the sum of its proper divisors (46361027019).

133101012021 is an equidigital number, since it uses as much as digits as its factorization.

133101012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498505755.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 133101012021 its reverse (120210101331), we get a palindrome (253311113352).

The spelling of 133101012021 in words is "one hundred thirty-three billion, one hundred one million, twelve thousand, twenty-one".