2211100000002 has 24 divisors (see below), whose sum is σ = 4791969945984. Its totient is φ = 736840521144.

The previous prime is 2211099999989. The next prime is 2211100000027. The reversal of 2211100000002 is 2000000011122.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a self number, because there is not a number n which added to its sum of digits gives 2211100000002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15996958 + ... + 16134585.

It is an arithmetic number, because the mean of its divisors is an integer number (199665414416).

Almost surely, 2^{2211100000002} is an apocalyptic number.

2211100000002 is an abundant number, since it is smaller than the sum of its proper divisors (2580869945982).

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

2211100000002 is a wasteful number, since it uses less digits than its factorization.

2211100000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32135374 (or 32135371 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2211100000002 its reverse (2000000011122), we get a palindrome (4211100011124).

The spelling of 2211100000002 in words is "two trillion, two hundred eleven billion, one hundred million, two", and thus it is an aban number.