221102200106 has 16 divisors (see below), whose sum is σ = 343923874944. Its totient is φ = 106518925584.

The previous prime is 221102200061. The next prime is 221102200117. The reversal of 221102200106 is 601002201122.

It is a super-2 number, since 2×221102200106² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14496590 + ... + 14511833.

It is an arithmetic number, because the mean of its divisors is an integer number (21495242184).

Almost surely, 2^221102200106 is an apocalyptic number.

221102200106 is a deficient number, since it is larger than the sum of its proper divisors (122821674838).

221102200106 is a wasteful number, since it uses less digits than its factorization.

221102200106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29008565.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 221102200106 its reverse (601002201122), we get a palindrome (822104401228).

The spelling of 221102200106 in words is "two hundred twenty-one billion, one hundred two million, two hundred thousand, one hundred six".