221100111011202 has 16 divisors (see below), whose sum is σ = 465473917918560. Its totient is φ = 69821087687712.

The previous prime is 221100111011099. The next prime is 221100111011209. The reversal of 221100111011202 is 202110111001122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (221100111011209) 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, 969737328883 + ... + 969737329110.

It is an arithmetic number, because the mean of its divisors is an integer number (29092119869910).

Almost surely, 2^{221100111011202} is an apocalyptic number.

221100111011202 is an abundant number, since it is smaller than the sum of its proper divisors (244373806907358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221100111011202 is a wasteful number, since it uses less digits than its factorization.

221100111011202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939474658017.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 221100111011202 its reverse (202110111001122), we get a palindrome (423210222012324).

The spelling of 221100111011202 in words is "two hundred twenty-one trillion, one hundred billion, one hundred eleven million, eleven thousand, two hundred two".