1102212100221 has 24 divisors (see below), whose sum is σ = 1536496891776. Its totient is φ = 702765507840.

The previous prime is 1102212100219. The next prime is 1102212100277. The reversal of 1102212100221 is 1220012122011.

It is not a de Polignac number, because 1102212100221 - 2¹ = 1102212100219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1102212100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102212100201) 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, 12908956 + ... + 12994058.

It is an arithmetic number, because the mean of its divisors is an integer number (64020703824).

Almost surely, 2^{1102212100221} is an apocalyptic number.

It is an amenable number.

1102212100221 is a deficient number, since it is larger than the sum of its proper divisors (434284791555).

1102212100221 is an equidigital number, since it uses as much as digits as its factorization.

1102212100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93313 (or 93290 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1102212100221 its reverse (1220012122011), we get a palindrome (2322224222232).

The spelling of 1102212100221 in words is "one trillion, one hundred two billion, two hundred twelve million, one hundred thousand, two hundred twenty-one".