11102122221112 has 64 divisors (see below), whose sum is σ = 23191586208000. Its totient is φ = 4947191230464.

The previous prime is 11102122221107. The next prime is 11102122221137. The reversal of 11102122221112 is 21112222120111.

It is a happy number.

It is a super-3 number, since 3×11102122221112³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11102122221112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128025064 + ... + 128111752.

It is an arithmetic number, because the mean of its divisors is an integer number (362368534500).

Almost surely, 2^{11102122221112} is an apocalyptic number.

It is an amenable number.

11102122221112 is an abundant number, since it is smaller than the sum of its proper divisors (12089463986888).

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

11102122221112 is a wasteful number, since it uses less digits than its factorization.

11102122221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129200 (or 129196 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11102122221112 its reverse (21112222120111), we get a palindrome (32214344341223).

The spelling of 11102122221112 in words is "eleven trillion, one hundred two billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred twelve".