2211112111002 has 64 divisors (see below), whose sum is σ = 4702321817856. Its totient is φ = 691578567680.

The previous prime is 2211112111001. The next prime is 2211112111007. The reversal of 2211112111002 is 2001112111122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2211112111001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53027602 + ... + 53069282.

It is an arithmetic number, because the mean of its divisors is an integer number (73473778404).

Almost surely, 2^{2211112111002} is an apocalyptic number.

2211112111002 is an abundant number, since it is smaller than the sum of its proper divisors (2491209706854).

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

2211112111002 is a wasteful number, since it uses less digits than its factorization.

2211112111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49015.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2211112111002 its reverse (2001112111122), we get a palindrome (4212224222124).

The spelling of 2211112111002 in words is "two trillion, two hundred eleven billion, one hundred twelve million, one hundred eleven thousand, two".