221110221202 has 16 divisors (see below), whose sum is σ = 357186715200. Its totient is φ = 102048395472.

The previous prime is 221110221187. The next prime is 221110221203. The reversal of 221110221202 is 202122011122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (221110221203) 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, 1405299 + ... + 1554697.

It is an arithmetic number, because the mean of its divisors is an integer number (22324169700).

Almost surely, 2^221110221202 is an apocalyptic number.

221110221202 is a deficient number, since it is larger than the sum of its proper divisors (136076493998).

221110221202 is a wasteful number, since it uses less digits than its factorization.

221110221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206337.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221110221202 its reverse (202122011122), we get a palindrome (423232232324).

The spelling of 221110221202 in words is "two hundred twenty-one billion, one hundred ten million, two hundred twenty-one thousand, two hundred two".