11111121112002 has 8 divisors (see below), whose sum is σ = 22222242224016. Its totient is φ = 3703707037332.

The previous prime is 11111121111989. The next prime is 11111121112043. The reversal of 11111121112002 is 20021112111111.

It is a sphenic number, since it is the product of 3 distinct primes.

11111121112002 is an admirable number.

It is a super-2 number, since 2×11111121112002² (a number of 27 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 925926759328 + ... + 925926759339.

It is an arithmetic number, because the mean of its divisors is an integer number (2777780278002).

Almost surely, 2^{11111121112002} is an apocalyptic number.

11111121112002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11111121112002 is a wasteful number, since it uses less digits than its factorization.

11111121112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851853518672.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11111121112002 its reverse (20021112111111), we get a palindrome (31132233223113).

The spelling of 11111121112002 in words is "eleven trillion, one hundred eleven billion, one hundred twenty-one million, one hundred twelve thousand, two".