222120221011110 has 48 divisors (see below), whose sum is σ = 577561382652384. Its totient is φ = 59227052985216.

The previous prime is 222120221011097. The next prime is 222120221011111. The reversal of 222120221011110 is 11110122021222.

222120221011110 is a `hidden beast` number, since 222 + 120 + 2 + 210 + 1 + 1 + 110 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120221011111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103219762 + ... + 105349701.

It is an arithmetic number, because the mean of its divisors is an integer number (12032528805258).

Almost surely, 2^{222120221011110} is an apocalyptic number.

222120221011110 is an abundant number, since it is smaller than the sum of its proper divisors (355441161641274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222120221011110 is a wasteful number, since it uses less digits than its factorization.

222120221011110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208581309 (or 208581306 counting only the distinct ones).

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

Adding to 222120221011110 its reverse (11110122021222), we get a palindrome (233230343032332).

The spelling of 222120221011110 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred twenty-one million, eleven thousand, one hundred ten".