222102021121201 has 24 divisors (see below), whose sum is σ = 242678989250880. Its totient is φ = 203166060926400.

The previous prime is 222102021121199. The next prime is 222102021121249. The reversal of 222102021121201 is 102121120201222.

It is not a de Polignac number, because 222102021121201 - 2¹ = 222102021121199 is a prime.

It is a super-2 number, since 2×222102021121201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222102021121271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3970396 + ... + 21446866.

It is an arithmetic number, because the mean of its divisors is an integer number (10111624552120).

Almost surely, 2^{222102021121201} is an apocalyptic number.

It is an amenable number.

222102021121201 is a deficient number, since it is larger than the sum of its proper divisors (20576968129679).

222102021121201 is a wasteful number, since it uses less digits than its factorization.

222102021121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17477177 (or 17477164 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222102021121201 its reverse (102121120201222), we get a palindrome (324223141322423).

The spelling of 222102021121201 in words is "two hundred twenty-two trillion, one hundred two billion, twenty-one million, one hundred twenty-one thousand, two hundred one".