11122111102112 has 48 divisors (see below), whose sum is σ = 23185250102952. Its totient is φ = 5233809285120.

The previous prime is 11122111102099. The next prime is 11122111102121. The reversal of 11122111102112 is 21120111122111.

It can be written as a sum of positive squares in 4 ways, for example, as 11112062242576 + 10048859536 = 3333476^2 + 100244^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 24852812 + ... + 25296372.

Almost surely, 2^{11122111102112} is an apocalyptic number.

It is an amenable number.

11122111102112 is an abundant number, since it is smaller than the sum of its proper divisors (12063139000840).

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

11122111102112 is a wasteful number, since it uses less digits than its factorization.

11122111102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489681 (or 489673 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11122111102112 its reverse (21120111122111), we get a palindrome (32242222224223).

The spelling of 11122111102112 in words is "eleven trillion, one hundred twenty-two billion, one hundred eleven million, one hundred two thousand, one hundred twelve".