2221100222102 has 16 divisors (see below), whose sum is σ = 3486820757472. Its totient is φ = 1059113193600.

The previous prime is 2221100222087. The next prime is 2221100222179. The reversal of 2221100222102 is 2012220011222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71623649 + ... + 71654652.

It is an arithmetic number, because the mean of its divisors is an integer number (217926297342).

Almost surely, 2^{2221100222102} is an apocalyptic number.

2221100222102 is a deficient number, since it is larger than the sum of its proper divisors (1265720535370).

2221100222102 is a wasteful number, since it uses less digits than its factorization.

2221100222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143278663.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2221100222102 its reverse (2012220011222), we get a palindrome (4233320233324).

The spelling of 2221100222102 in words is "two trillion, two hundred twenty-one billion, one hundred million, two hundred twenty-two thousand, one hundred two".