201220133113021 has 8 divisors (see below), whose sum is σ = 232425394398144. Its totient is φ = 172166958813120.

The previous prime is 201220133112967. The next prime is 201220133113033. The reversal of 201220133113021 is 120311331022102.

201220133113021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 201220133113021 - 2¹⁹ = 201220132588733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201220133112983 and 201220133113001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201220133113121) 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, 538021746105 + ... + 538021746478.

It is an arithmetic number, because the mean of its divisors is an integer number (29053174299768).

Almost surely, 2^{201220133113021} is an apocalyptic number.

It is an amenable number.

201220133113021 is a deficient number, since it is larger than the sum of its proper divisors (31205261285123).

201220133113021 is a wasteful number, since it uses less digits than its factorization.

201220133113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076043492611.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 201220133113021 its reverse (120311331022102), we get a palindrome (321531464135123).

The spelling of 201220133113021 in words is "two hundred one trillion, two hundred twenty billion, one hundred thirty-three million, one hundred thirteen thousand, twenty-one".