11221101221102 has 4 divisors (see below), whose sum is σ = 16831651831656. Its totient is φ = 5610550610550.

The previous prime is 11221101221069. The next prime is 11221101221107. The reversal of 11221101221102 is 20112210112211.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×11221101221102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221101221107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805275305274 + ... + 2805275305277.

It is an arithmetic number, because the mean of its divisors is an integer number (4207912957914).

Almost surely, 2^{11221101221102} is an apocalyptic number.

11221101221102 is a deficient number, since it is larger than the sum of its proper divisors (5610550610554).

11221101221102 is an equidigital number, since it uses as much as digits as its factorization.

11221101221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610550610553.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11221101221102 its reverse (20112210112211), we get a palindrome (31333311333313).

The spelling of 11221101221102 in words is "eleven trillion, two hundred twenty-one billion, one hundred one million, two hundred twenty-one thousand, one hundred two".