221102220120002 has 16 divisors (see below), whose sum is σ = 365471290504320. Its totient is φ = 99673988318352.

The previous prime is 221102220119983. The next prime is 221102220120007. The reversal of 221102220120002 is 200021022201122.

It is a happy number.

221102220120002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (221102220120007) 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, 98882923802 + ... + 98882926037.

It is an arithmetic number, because the mean of its divisors is an integer number (22841955656520).

Almost surely, 2^{221102220120002} is an apocalyptic number.

221102220120002 is a deficient number, since it is larger than the sum of its proper divisors (144369070384318).

221102220120002 is a wasteful number, since it uses less digits than its factorization.

221102220120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197765849897.

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

Adding to 221102220120002 its reverse (200021022201122), we get a palindrome (421123242321124).

The spelling of 221102220120002 in words is "two hundred twenty-one trillion, one hundred two billion, two hundred twenty million, one hundred twenty thousand, two".