201123211322 has 16 divisors (see below), whose sum is σ = 329203310400. Its totient is φ = 91393919040.

The previous prime is 201123211309. The next prime is 201123211349. The reversal of 201123211322 is 223112321102.

201123211322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201123211322² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201123211294 and 201123211303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206047 + ... + 1362642.

It is an arithmetic number, because the mean of its divisors is an integer number (20575206900).

Almost surely, 2^201123211322 is an apocalyptic number.

201123211322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201123211322 is a deficient number, since it is larger than the sum of its proper divisors (128080099078).

201123211322 is a wasteful number, since it uses less digits than its factorization.

201123211322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572261.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 201123211322 its reverse (223112321102), we get a palindrome (424235532424).

The spelling of 201123211322 in words is "two hundred one billion, one hundred twenty-three million, two hundred eleven thousand, three hundred twenty-two".