221102012120222 has 8 divisors (see below), whose sum is σ = 331653553439400. Its totient is φ = 110550827640424.

The previous prime is 221102012120191. The next prime is 221102012120237. The reversal of 221102012120222 is 222021210201122.

221102012120222 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 a super-2 number, since 2×221102012120222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221102012120194 and 221102012120203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87655397 + ... + 90142512.

It is an arithmetic number, because the mean of its divisors is an integer number (41456694179925).

Almost surely, 2^{221102012120222} is an apocalyptic number.

221102012120222 is a deficient number, since it is larger than the sum of its proper divisors (110551541319178).

221102012120222 is a wasteful number, since it uses less digits than its factorization.

221102012120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178419690.

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

Adding to 221102012120222 its reverse (222021210201122), we get a palindrome (443123222321344).

The spelling of 221102012120222 in words is "two hundred twenty-one trillion, one hundred two billion, twelve million, one hundred twenty thousand, two hundred twenty-two".