1100221221102 has 32 divisors (see below), whose sum is σ = 2320326086400. Its totient is φ = 346827647808.

The previous prime is 1100221221059. The next prime is 1100221221163. The reversal of 1100221221102 is 2011221220011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8415858 + ... + 8545589.

It is an arithmetic number, because the mean of its divisors is an integer number (72510190200).

Almost surely, 2^{1100221221102} is an apocalyptic number.

1100221221102 is an abundant number, since it is smaller than the sum of its proper divisors (1220104865298).

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

1100221221102 is a wasteful number, since it uses less digits than its factorization.

1100221221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16962040.

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

Adding to 1100221221102 its reverse (2011221220011), we get a palindrome (3111442441113).

The spelling of 1100221221102 in words is "one trillion, one hundred billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred two".