2221222111102 has 8 divisors (see below), whose sum is σ = 3331839873312. Its totient is φ = 1110608820000.

The previous prime is 2221222111063. The next prime is 2221222111117. The reversal of 2221222111102 is 2011112221222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2221222111102.

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, 745227 + ... + 2235577.

It is an arithmetic number, because the mean of its divisors is an integer number (416479984164).

Almost surely, 2^{2221222111102} is an apocalyptic number.

2221222111102 is a deficient number, since it is larger than the sum of its proper divisors (1110617762210).

2221222111102 is a wasteful number, since it uses less digits than its factorization.

2221222111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235554.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2221222111102 its reverse (2011112221222), we get a palindrome (4232334332324).

The spelling of 2221222111102 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred eleven thousand, one hundred two".