11102121220102 has 16 divisors (see below), whose sum is σ = 18169106140224. Its totient is φ = 5045863545000.

The previous prime is 11102121220087. The next prime is 11102121220109. The reversal of 11102121220102 is 20102212120111.

11102121220102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11102121220102² (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 (11102121220109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27555024 + ... + 27955027.

It is an arithmetic number, because the mean of its divisors is an integer number (1135569133764).

Almost surely, 2^{11102121220102} is an apocalyptic number.

11102121220102 is a deficient number, since it is larger than the sum of its proper divisors (7066984920122).

11102121220102 is a wasteful number, since it uses less digits than its factorization.

11102121220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55519155.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11102121220102 its reverse (20102212120111), we get a palindrome (31204333340213).

Subtracting 11102121220102 from its reverse (20102212120111), we obtain a palindrome (9000090900009).

It can be divided in two parts, 1110 and 2121220102, that added together give a palindrome (2121221212).

The spelling of 11102121220102 in words is "eleven trillion, one hundred two billion, one hundred twenty-one million, two hundred twenty thousand, one hundred two".