11102111220102 has 32 divisors (see below), whose sum is σ = 25613415482112. Its totient is φ = 3142386619104.

The previous prime is 11102111220043. The next prime is 11102111220119. The reversal of 11102111220102 is 20102211120111.

It is a happy number.

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, 1235210373 + ... + 1235219360.

It is an arithmetic number, because the mean of its divisors is an integer number (800419233816).

Almost surely, 2^{11102111220102} is an apocalyptic number.

11102111220102 is an abundant number, since it is smaller than the sum of its proper divisors (14511304262010).

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

11102111220102 is a wasteful number, since it uses less digits than its factorization.

11102111220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470429852.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11102111220102 its reverse (20102211120111), we get a palindrome (31204322340213).

Subtracting 11102111220102 from its reverse (20102211120111), we obtain a palindrome (9000099900009).

The spelling of 11102111220102 in words is "eleven trillion, one hundred two billion, one hundred eleven million, two hundred twenty thousand, one hundred two".