222120021201 has 16 divisors (see below), whose sum is σ = 319072045824. Its totient is φ = 136633325184.

The previous prime is 222120021181. The next prime is 222120021311. The reversal of 222120021201 is 102120021222.

It is not a de Polignac number, because 222120021201 - 2¹³ = 222120013009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222120028201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1068316 + ... + 1259181.

It is an arithmetic number, because the mean of its divisors is an integer number (19942002864).

Almost surely, 2^222120021201 is an apocalyptic number.

It is an amenable number.

222120021201 is a deficient number, since it is larger than the sum of its proper divisors (96952024623).

222120021201 is a wasteful number, since it uses less digits than its factorization.

222120021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329960.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222120021201 its reverse (102120021222), we get a palindrome (324240042423).

The spelling of 222120021201 in words is "two hundred twenty-two billion, one hundred twenty million, twenty-one thousand, two hundred one".