201022122020021 has 8 divisors (see below), whose sum is σ = 207508947489024. Its totient is φ = 194535436606560.

The previous prime is 201022122020017. The next prime is 201022122020101. The reversal of 201022122020021 is 120020221220102.

It is a happy number.

201022122020021 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 201022122020021 - 2² = 201022122020017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201022122040021) 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, 32093096 + ... + 37841921.

It is an arithmetic number, because the mean of its divisors is an integer number (25938618436128).

Almost surely, 2^{201022122020021} is an apocalyptic number.

It is an amenable number.

201022122020021 is a deficient number, since it is larger than the sum of its proper divisors (6486825469003).

201022122020021 is an equidigital number, since it uses as much as digits as its factorization.

201022122020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70027771.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201022122020021 its reverse (120020221220102), we get a palindrome (321042343240123).

The spelling of 201022122020021 in words is "two hundred one trillion, twenty-two billion, one hundred twenty-two million, twenty thousand, twenty-one".