211111110222002 has 8 divisors (see below), whose sum is σ = 316809759178476. Its totient is φ = 105507857162512.

The previous prime is 211111110221983. The next prime is 211111110222053. The reversal of 211111110222002 is 200222011111112.

It can be written as a sum of positive squares in 2 ways, for example, as 204971077209721 + 6140033012281 = 14316811^2 + 2477909^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23848968713 + ... + 23848977564.

Almost surely, 2^{211111110222002} is an apocalyptic number.

211111110222002 is a deficient number, since it is larger than the sum of its proper divisors (105698648956474).

211111110222002 is a wasteful number, since it uses less digits than its factorization.

211111110222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47697948492.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211111110222002 its reverse (200222011111112), we get a palindrome (411333121333114).

It can be divided in two parts, 211111110 and 222002, that added together give a palindrome (211333112).

The spelling of 211111110222002 in words is "two hundred eleven trillion, one hundred eleven billion, one hundred ten million, two hundred twenty-two thousand, two".