222120220010221 has 8 divisors (see below), whose sum is σ = 239206768133760. Its totient is φ = 205033725794352.

The previous prime is 222120220010179. The next prime is 222120220010287. The reversal of 222120220010221 is 122010022021222.

222120220010221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 222120220010221 - 2⁷ = 222120220010093 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 (222120220013221) 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, 4707865 + ... + 21596398.

It is an arithmetic number, because the mean of its divisors is an integer number (29900846016720).

Almost surely, 2^{222120220010221} is an apocalyptic number.

It is an amenable number.

222120220010221 is a deficient number, since it is larger than the sum of its proper divisors (17086548123539).

222120220010221 is a wasteful number, since it uses less digits than its factorization.

222120220010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26953835.

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

Adding to 222120220010221 its reverse (122010022021222), we get a palindrome (344130242031443).

The spelling of 222120220010221 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred twenty million, ten thousand, two hundred twenty-one".