221011102202 has 32 divisors (see below), whose sum is σ = 364517233344. Its totient is φ = 99667411200.

The previous prime is 221011102177. The next prime is 221011102223. The reversal of 221011102202 is 202201110122.

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, 1396418 + ... + 1546610.

It is an arithmetic number, because the mean of its divisors is an integer number (11391163542).

Almost surely, 2^221011102202 is an apocalyptic number.

221011102202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221011102202 is a deficient number, since it is larger than the sum of its proper divisors (143506131142).

221011102202 is a wasteful number, since it uses less digits than its factorization.

221011102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150734.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221011102202 its reverse (202201110122), we get a palindrome (423212212324).

The spelling of 221011102202 in words is "two hundred twenty-one billion, eleven million, one hundred two thousand, two hundred two".