201122202223 has 4 divisors (see below), whose sum is σ = 201210687648. Its totient is φ = 201033716800.

The previous prime is 201122202217. The next prime is 201122202251. The reversal of 201122202223 is 322202221102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322202221102 = 2 ⋅161101110551.

It is a cyclic number.

It is not a de Polignac number, because 201122202223 - 2¹⁷ = 201122071151 is a prime.

It is a super-2 number, since 2×201122202223² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201122202223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122202623) 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, 44239303 + ... + 44243848.

It is an arithmetic number, because the mean of its divisors is an integer number (50302671912).

Almost surely, 2^201122202223 is an apocalyptic number.

201122202223 is a deficient number, since it is larger than the sum of its proper divisors (88485425).

201122202223 is an equidigital number, since it uses as much as digits as its factorization.

201122202223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88485424.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 201122202223 its reverse (322202221102), we get a palindrome (523324423325).

The spelling of 201122202223 in words is "two hundred one billion, one hundred twenty-two million, two hundred two thousand, two hundred twenty-three".