1100123221102 has 16 divisors (see below), whose sum is σ = 1704318537600. Its totient is φ = 532035832320.

The previous prime is 1100123221069. The next prime is 1100123221111. The reversal of 1100123221102 is 2011223210011.

It is a super-2 number, since 2×1100123221102² (a number of 25 digits) contains 22 as substring.

It is a congruent 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, 4579527 + ... + 4813762.

It is an arithmetic number, because the mean of its divisors is an integer number (106519908600).

Almost surely, 2^{1100123221102} is an apocalyptic number.

1100123221102 is a deficient number, since it is larger than the sum of its proper divisors (604195316498).

1100123221102 is a wasteful number, since it uses less digits than its factorization.

1100123221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9395211.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1100123221102 its reverse (2011223210011), we get a palindrome (3111346431113).

The spelling of 1100123221102 in words is "one trillion, one hundred billion, one hundred twenty-three million, two hundred twenty-one thousand, one hundred two".