133301031210021 has 8 divisors (see below), whose sum is σ = 177735063098080. Its totient is φ = 88867176730992.

The previous prime is 133301031209939. The next prime is 133301031210041. The reversal of 133301031210021 is 120012130103331.

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 133301031210021 - 2⁹ = 133301031209509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133301031210021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133301031210041) 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, 42589030 + ... + 45611703.

It is an arithmetic number, because the mean of its divisors is an integer number (22216882887260).

Almost surely, 2^{133301031210021} is an apocalyptic number.

It is an amenable number.

133301031210021 is a deficient number, since it is larger than the sum of its proper divisors (44434031888059).

133301031210021 is an equidigital number, since it uses as much as digits as its factorization.

133301031210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88704515.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 133301031210021 its reverse (120012130103331), we get a palindrome (253313161313352).

The spelling of 133301031210021 in words is "one hundred thirty-three trillion, three hundred one billion, thirty-one million, two hundred ten thousand, twenty-one".