221120220100202 has 32 divisors (see below), whose sum is σ = 335288965660992. Its totient is φ = 109360390399744.

The previous prime is 221120220100189. The next prime is 221120220100231. The reversal of 221120220100202 is 202001022021122.

It is a happy number.

221120220100202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3799744418 + ... + 3799802610.

It is an arithmetic number, because the mean of its divisors is an integer number (10477780176906).

Almost surely, 2^{221120220100202} is an apocalyptic number.

221120220100202 is a deficient number, since it is larger than the sum of its proper divisors (114168745560790).

221120220100202 is a wasteful number, since it uses less digits than its factorization.

221120220100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84982.

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

Adding to 221120220100202 its reverse (202001022021122), we get a palindrome (423121242121324).

The spelling of 221120220100202 in words is "two hundred twenty-one trillion, one hundred twenty billion, two hundred twenty million, one hundred thousand, two hundred two".