11112002221122 has 48 divisors (see below), whose sum is σ = 26264955075840. Its totient is φ = 3367244868000.

The previous prime is 11112002221091. The next prime is 11112002221129. The reversal of 11112002221122 is 22112220021111.

11112002221122 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 2×11112002221122² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11112002221095 and 11112002221104.

It is not an unprimeable number, because it can be changed into a prime (11112002221129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42923872 + ... + 43181972.

It is an arithmetic number, because the mean of its divisors is an integer number (547186564080).

Almost surely, 2^{11112002221122} is an apocalyptic number.

11112002221122 is an abundant number, since it is smaller than the sum of its proper divisors (15152952854718).

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

11112002221122 is a wasteful number, since it uses less digits than its factorization.

11112002221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475559 (or 475556 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11112002221122 its reverse (22112220021111), we get a palindrome (33224222242233).

The spelling of 11112002221122 in words is "eleven trillion, one hundred twelve billion, two million, two hundred twenty-one thousand, one hundred twenty-two".