222102022200221 has 8 divisors (see below), whose sum is σ = 226388068370784. Its totient is φ = 217819510917840.

The previous prime is 222102022200173. The next prime is 222102022200283. The reversal of 222102022200221 is 122002220201222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222102022200221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222102022200193 and 222102022200202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222102022205221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883595171 + ... + 883846496.

It is an arithmetic number, because the mean of its divisors is an integer number (28298508546348).

Almost surely, 2^{222102022200221} is an apocalyptic number.

It is an amenable number.

222102022200221 is a deficient number, since it is larger than the sum of its proper divisors (4286046170563).

222102022200221 is a wasteful number, since it uses less digits than its factorization.

222102022200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767444091.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222102022200221 its reverse (122002220201222), we get a palindrome (344104242401443).

The spelling of 222102022200221 in words is "two hundred twenty-two trillion, one hundred two billion, twenty-two million, two hundred thousand, two hundred twenty-one".