221010120212222 has 32 divisors (see below), whose sum is σ = 363219322090464. Its totient is φ = 100024377753600.

The previous prime is 221010120212221. The next prime is 221010120212227. The reversal of 221010120212222 is 222212021010122.

It is a junction number, because it is equal to n+sod(n) for n = 221010120212194 and 221010120212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221010120212221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4328348 + ... + 21465200.

It is an arithmetic number, because the mean of its divisors is an integer number (11350603815327).

Almost surely, 2^{221010120212222} is an apocalyptic number.

221010120212222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221010120212222 is a deficient number, since it is larger than the sum of its proper divisors (142209201878242).

221010120212222 is a wasteful number, since it uses less digits than its factorization.

221010120212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17139404.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 221010120212222 its reverse (222212021010122), we get a palindrome (443222141222344).

The spelling of 221010120212222 in words is "two hundred twenty-one trillion, ten billion, one hundred twenty million, two hundred twelve thousand, two hundred twenty-two".