100221202221102 has 48 divisors (see below), whose sum is σ = 219318086183040. Its totient is φ = 33072957720000.

The previous prime is 100221202221083. The next prime is 100221202221109. The reversal of 100221202221102 is 201122202122001.

It is a happy number.

100221202221102 is a `hidden beast` number, since 10 + 0 + 221 + 202 + 221 + 10 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221202221109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15216099 + ... + 20783937.

It is an arithmetic number, because the mean of its divisors is an integer number (4569126795480).

Almost surely, 2^{100221202221102} is an apocalyptic number.

100221202221102 is an abundant number, since it is smaller than the sum of its proper divisors (119096883961938).

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

100221202221102 is a wasteful number, since it uses less digits than its factorization.

100221202221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5577849 (or 5577846 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 100221202221102 its reverse (201122202122001), we get a palindrome (301343404343103).

The spelling of 100221202221102 in words is "one hundred trillion, two hundred twenty-one billion, two hundred two million, two hundred twenty-one thousand, one hundred two".