201022233321 has 128 divisors (see below), whose sum is σ = 353640913920. Its totient is φ = 98712649728.

The previous prime is 201022233311. The next prime is 201022233329. The reversal of 201022233321 is 123332220102.

It is a happy number.

It is not a de Polignac number, because 201022233321 - 2⁶ = 201022233257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (201022233329) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 33097941 + ... + 33104013.

It is an arithmetic number, because the mean of its divisors is an integer number (2762819640).

Almost surely, 2^201022233321 is an apocalyptic number.

201022233321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

201022233321 is a deficient number, since it is larger than the sum of its proper divisors (152618680599).

201022233321 is a wasteful number, since it uses less digits than its factorization.

201022233321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6275.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 201022233321 its reverse (123332220102), we get a palindrome (324354453423).

The spelling of 201022233321 in words is "two hundred one billion, twenty-two million, two hundred thirty-three thousand, three hundred twenty-one".