11012111220102 has 64 divisors (see below), whose sum is σ = 23240391229440. Its totient is φ = 3468961188000.

The previous prime is 11012111220079. The next prime is 11012111220163. The reversal of 11012111220102 is 20102211121011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 567537133 + ... + 567556535.

It is an arithmetic number, because the mean of its divisors is an integer number (363131112960).

Almost surely, 2^{11012111220102} is an apocalyptic number.

11012111220102 is an abundant number, since it is smaller than the sum of its proper divisors (12228280009338).

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

11012111220102 is a wasteful number, since it uses less digits than its factorization.

11012111220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31409.

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

Adding to 11012111220102 its reverse (20102211121011), we get a palindrome (31114322341113).

Subtracting 11012111220102 from its reverse (20102211121011), we obtain a palindrome (9090099900909).

The spelling of 11012111220102 in words is "eleven trillion, twelve billion, one hundred eleven million, two hundred twenty thousand, one hundred two".