222120101221101 has 48 divisors (see below), whose sum is σ = 324727384363200. Its totient is φ = 146291590093824.

The previous prime is 222120101221087. The next prime is 222120101221157. The reversal of 222120101221101 is 101122101021222.

222120101221101 is a `hidden beast` number, since 2 + 221 + 20 + 101 + 221 + 101 = 666.

222120101221101 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222120101221101 - 2⁶ = 222120101221037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120101228101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1508925235 + ... + 1509072431.

It is an arithmetic number, because the mean of its divisors is an integer number (6765153840900).

Almost surely, 2^{222120101221101} is an apocalyptic number.

It is an amenable number.

222120101221101 is a deficient number, since it is larger than the sum of its proper divisors (102607283142099).

222120101221101 is a wasteful number, since it uses less digits than its factorization.

222120101221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150378 (or 150375 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222120101221101 its reverse (101122101021222), we get a palindrome (323242202242323).

The spelling of 222120101221101 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred one million, two hundred twenty-one thousand, one hundred one".