201022212022231 has 4 divisors (see below), whose sum is σ = 201022708990312. Its totient is φ = 201021715054152.

The previous prime is 201022212022193. The next prime is 201022212022241. The reversal of 201022212022231 is 132220212220102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201022212022231 is a prime.

It is a super-2 number, since 2×201022212022231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201022212022241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247876800 + ... + 248686453.

It is an arithmetic number, because the mean of its divisors is an integer number (50255677247578).

Almost surely, 2^{201022212022231} is an apocalyptic number.

201022212022231 is a deficient number, since it is larger than the sum of its proper divisors (496968081).

201022212022231 is an equidigital number, since it uses as much as digits as its factorization.

201022212022231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496968080.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 201022212022231 its reverse (132220212220102), we get a palindrome (333242424242333).

The spelling of 201022212022231 in words is "two hundred one trillion, twenty-two billion, two hundred twelve million, twenty-two thousand, two hundred thirty-one".