221100212002202 has 16 divisors (see below), whose sum is σ = 357216235468512. Its totient is φ = 102030721824240.

The previous prime is 221100212002183. The next prime is 221100212002217. The reversal of 221100212002202 is 202200212001122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646903748 + ... + 647245439.

It is an arithmetic number, because the mean of its divisors is an integer number (22326014716782).

Almost surely, 2^{221100212002202} is an apocalyptic number.

221100212002202 is a deficient number, since it is larger than the sum of its proper divisors (136116023466310).

221100212002202 is a wasteful number, since it uses less digits than its factorization.

221100212002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294155773.

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

Adding to 221100212002202 its reverse (202200212001122), we get a palindrome (423300424003324).

The spelling of 221100212002202 in words is "two hundred twenty-one trillion, one hundred billion, two hundred twelve million, two thousand, two hundred two".