221102100212222 has 16 divisors (see below), whose sum is σ = 331727906165760. Its totient is φ = 110526134217048.

The previous prime is 221102100212221. The next prime is 221102100212239. The reversal of 221102100212222 is 222212001201122.

221102100212222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221102100212222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221102100212194 and 221102100212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221102100212221) 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, 163727093 + ... + 165071999.

It is an arithmetic number, because the mean of its divisors is an integer number (20732994135360).

Almost surely, 2^{221102100212222} is an apocalyptic number.

221102100212222 is a deficient number, since it is larger than the sum of its proper divisors (110625805953538).

221102100212222 is a wasteful number, since it uses less digits than its factorization.

221102100212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363375.

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

Adding to 221102100212222 its reverse (222212001201122), we get a palindrome (443314101413344).

The spelling of 221102100212222 in words is "two hundred twenty-one trillion, one hundred two billion, one hundred million, two hundred twelve thousand, two hundred twenty-two".