201102222321 has 96 divisors (see below), whose sum is σ = 392865677568. Its totient is φ = 95728158720.

The previous prime is 201102222317. The next prime is 201102222331. The reversal of 201102222321 is 123222201102.

201102222321 is a `hidden beast` number, since 20 + 1 + 102 + 222 + 321 = 666.

201102222321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201102222321 - 2² = 201102222317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201102222294 and 201102222303.

It is not an unprimeable number, because it can be changed into a prime (201102222331) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 1152765 + ... + 1315701.

It is an arithmetic number, because the mean of its divisors is an integer number (4092350808).

Almost surely, 2^201102222321 is an apocalyptic number.

201102222321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

201102222321 is a deficient number, since it is larger than the sum of its proper divisors (191763455247).

201102222321 is a wasteful number, since it uses less digits than its factorization.

201102222321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163111 (or 163108 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 201102222321 its reverse (123222201102), we get a palindrome (324324423423).

The spelling of 201102222321 in words is "two hundred one billion, one hundred two million, two hundred twenty-two thousand, three hundred twenty-one".