222220120210021 has 8 divisors (see below), whose sum is σ = 227007884156544. Its totient is φ = 217434842775360.

The previous prime is 222220120210019. The next prime is 222220120210087. The reversal of 222220120210021 is 120012021022222.

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 222220120210021 - 2¹ = 222220120210019 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 (222220120210721) 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, 621447300 + ... + 621804781.

It is an arithmetic number, because the mean of its divisors is an integer number (28375985519568).

Almost surely, 2^{222220120210021} is an apocalyptic number.

It is an amenable number.

222220120210021 is a deficient number, since it is larger than the sum of its proper divisors (4787763946523).

222220120210021 is a wasteful number, since it uses less digits than its factorization.

222220120210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243255931.

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

Adding to 222220120210021 its reverse (120012021022222), we get a palindrome (342232141232243).

The spelling of 222220120210021 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred twenty million, two hundred ten thousand, twenty-one".