2221100221022 has 8 divisors (see below), whose sum is σ = 3388118981400. Its totient is φ = 1091727227224.

The previous prime is 2221100221007. The next prime is 2221100221049. The reversal of 2221100221022 is 2201220011222.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 9411441497 + ... + 9411441732.

It is an arithmetic number, because the mean of its divisors is an integer number (423514872675).

Almost surely, 2^{2221100221022} is an apocalyptic number.

2221100221022 is a deficient number, since it is larger than the sum of its proper divisors (1167018760378).

2221100221022 is a wasteful number, since it uses less digits than its factorization.

2221100221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18822883290.

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

Adding to 2221100221022 its reverse (2201220011222), we get a palindrome (4422320232244).

The spelling of 2221100221022 in words is "two trillion, two hundred twenty-one billion, one hundred million, two hundred twenty-one thousand, twenty-two".