1001201022164 has 24 divisors (see below), whose sum is σ = 2003632868160. Its totient is φ = 428822404416.

The previous prime is 1001201022163. The next prime is 1001201022169. The reversal of 1001201022164 is 4612201021001.

It is a happy number.

1001201022164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001201022161) 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, 10943129 + ... + 11034240.

It is an arithmetic number, because the mean of its divisors is an integer number (83484702840).

Almost surely, 2^{1001201022164} is an apocalyptic number.

1001201022164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1001201022164 is an abundant number, since it is smaller than the sum of its proper divisors (1002431845996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001201022164 is a wasteful number, since it uses less digits than its factorization.

1001201022164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21979007 (or 21979005 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1001201022164 its reverse (4612201021001), we get a palindrome (5613402043165).

The spelling of 1001201022164 in words is "one trillion, one billion, two hundred one million, twenty-two thousand, one hundred sixty-four".