221022120220102 has 8 divisors (see below), whose sum is σ = 345947666431536. Its totient is φ = 105706231409592.

The previous prime is 221022120220073. The next prime is 221022120220129. The reversal of 221022120220102 is 201022021220122.

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 221022120220102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2402414350173 + ... + 2402414350264.

It is an arithmetic number, because the mean of its divisors is an integer number (43243458303942).

Almost surely, 2^{221022120220102} is an apocalyptic number.

221022120220102 is a deficient number, since it is larger than the sum of its proper divisors (124925546211434).

221022120220102 is a wasteful number, since it uses less digits than its factorization.

221022120220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4804828700462.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221022120220102 its reverse (201022021220122), we get a palindrome (422044141440224).

The spelling of 221022120220102 in words is "two hundred twenty-one trillion, twenty-two billion, one hundred twenty million, two hundred twenty thousand, one hundred two".