221110001202 has 32 divisors (see below), whose sum is σ = 442826092800. Its totient is φ = 73602381440.

The previous prime is 221110001197. The next prime is 221110001209. The reversal of 221110001202 is 202100011122.

It is not an unprimeable number, because it can be changed into a prime (221110001209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19020952 + ... + 19032572.

It is an arithmetic number, because the mean of its divisors is an integer number (13838315400).

Almost surely, 2^221110001202 is an apocalyptic number.

221110001202 is an abundant number, since it is smaller than the sum of its proper divisors (221716091598).

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

221110001202 is a wasteful number, since it uses less digits than its factorization.

221110001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15698.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 221110001202 its reverse (202100011122), we get a palindrome (423210012324).

The spelling of 221110001202 in words is "two hundred twenty-one billion, one hundred ten million, one thousand, two hundred two".