2211200001111 has 4 divisors (see below), whose sum is σ = 2948266668152. Its totient is φ = 1474133334072.

The previous prime is 2211200001089. The next prime is 2211200001149. The reversal of 2211200001111 is 1111000021122.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2211200001111 - 2¹³ = 2211199992919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211200001011) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 368533333516 + ... + 368533333521.

It is an arithmetic number, because the mean of its divisors is an integer number (737066667038).

Almost surely, 2^{2211200001111} is an apocalyptic number.

2211200001111 is a deficient number, since it is larger than the sum of its proper divisors (737066667041).

2211200001111 is an equidigital number, since it uses as much as digits as its factorization.

2211200001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737066667040.

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

Adding to 2211200001111 its reverse (1111000021122), we get a palindrome (3322200022233).

The spelling of 2211200001111 in words is "two trillion, two hundred eleven billion, two hundred million, one thousand, one hundred eleven".