222102222010021 has 8 divisors (see below), whose sum is σ = 225418288410080. Its totient is φ = 218786188194288.

The previous prime is 222102222010001. The next prime is 222102222010037. The reversal of 222102222010021 is 120010222201222.

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

It is a cyclic number.

It is not a de Polignac number, because 222102222010021 - 2³³ = 222093632075429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222102222010001) 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, 5764150 + ... + 21850168.

It is an arithmetic number, because the mean of its divisors is an integer number (28177286051260).

Almost surely, 2^{222102222010021} is an apocalyptic number.

It is an amenable number.

222102222010021 is a deficient number, since it is larger than the sum of its proper divisors (3316066400059).

222102222010021 is a wasteful number, since it uses less digits than its factorization.

222102222010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16292163.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222102222010021 its reverse (120010222201222), we get a palindrome (342112444211243).

The spelling of 222102222010021 in words is "two hundred twenty-two trillion, one hundred two billion, two hundred twenty-two million, ten thousand, twenty-one".