211011100002 has 32 divisors (see below), whose sum is σ = 469538031360. Its totient is φ = 70243362000.

The previous prime is 211011099991. The next prime is 211011100037. The reversal of 211011100002 is 200001110112.

It is a happy number.

211011100002 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

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 15 ways as a sum of consecutive naturals, for example, 2561053 + ... + 2642160.

It is an arithmetic number, because the mean of its divisors is an integer number (14673063480).

Almost surely, 2^211011100002 is an apocalyptic number.

211011100002 is an abundant number, since it is smaller than the sum of its proper divisors (258526931358).

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

211011100002 is a wasteful number, since it uses less digits than its factorization.

211011100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5203975 (or 5203969 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 211011100002 its reverse (200001110112), we get a palindrome (411012210114).

The spelling of 211011100002 in words is "two hundred eleven billion, eleven million, one hundred thousand, two".