2212321320111 has 16 divisors (see below), whose sum is σ = 3371177321984. Its totient is φ = 1264175727264.

The previous prime is 2212321320101. The next prime is 2212321320119. The reversal of 2212321320111 is 1110231232122.

It is not a de Polignac number, because 2212321320111 - 2¹¹ = 2212321318063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212321320119) 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 15 ways as a sum of consecutive naturals, for example, 5644470 + ... + 6023676.

It is an arithmetic number, because the mean of its divisors is an integer number (210698582624).

Almost surely, 2^{2212321320111} is an apocalyptic number.

2212321320111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2212321320111 is a deficient number, since it is larger than the sum of its proper divisors (1158856001873).

2212321320111 is a wasteful number, since it uses less digits than its factorization.

2212321320111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657030.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2212321320111 its reverse (1110231232122), we get a palindrome (3322552552233).

The spelling of 2212321320111 in words is "two trillion, two hundred twelve billion, three hundred twenty-one million, three hundred twenty thousand, one hundred eleven".