11111000221002 has 32 divisors (see below), whose sum is σ = 24247561734144. Its totient is φ = 3366222620400.

The previous prime is 11111000221001. The next prime is 11111000221019. The reversal of 11111000221002 is 20012200011111.

11111000221002 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 2×11111000221002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11111000221001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18378874 + ... + 18973797.

It is an arithmetic number, because the mean of its divisors is an integer number (757736304192).

Almost surely, 2^{11111000221002} is an apocalyptic number.

11111000221002 is an abundant number, since it is smaller than the sum of its proper divisors (13136561513142).

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

11111000221002 is a wasteful number, since it uses less digits than its factorization.

11111000221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37357194.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11111000221002 its reverse (20012200011111), we get a palindrome (31123200232113).

The spelling of 11111000221002 in words is "eleven trillion, one hundred eleven billion, two hundred twenty-one thousand, two".