221022102211102 has 16 divisors (see below), whose sum is σ = 346232838362400. Its totient is φ = 105619078315872.

The previous prime is 221022102211091. The next prime is 221022102211109. The reversal of 221022102211102 is 201112201220122.

221022102211102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 221022102211102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221022102211109) 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, 1980499977 + ... + 1980611572.

It is an arithmetic number, because the mean of its divisors is an integer number (21639552397650).

Almost surely, 2^{221022102211102} is an apocalyptic number.

221022102211102 is a deficient number, since it is larger than the sum of its proper divisors (125210736151298).

221022102211102 is a wasteful number, since it uses less digits than its factorization.

221022102211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3961112787.

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

Adding to 221022102211102 its reverse (201112201220122), we get a palindrome (422134303431224).

The spelling of 221022102211102 in words is "two hundred twenty-one trillion, twenty-two billion, one hundred two million, two hundred eleven thousand, one hundred two".