11112212321211 has 8 divisors (see below), whose sum is σ = 14816343046480. Its totient is φ = 7408111571712.

The previous prime is 11112212321209. The next prime is 11112212321227. The reversal of 11112212321211 is 11212321221111.

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

It is not a de Polignac number, because 11112212321211 - 2¹ = 11112212321209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112212321201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6614206 + ... + 8122323.

It is an arithmetic number, because the mean of its divisors is an integer number (1852042880810).

Almost surely, 2^{11112212321211} is an apocalyptic number.

11112212321211 is a deficient number, since it is larger than the sum of its proper divisors (3704130725269).

11112212321211 is a wasteful number, since it uses less digits than its factorization.

11112212321211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14987885.

The product of its digits is 96, while the sum is 21.

Adding to 11112212321211 its reverse (11212321221111), we get a palindrome (22324533542322).

The spelling of 11112212321211 in words is "eleven trillion, one hundred twelve billion, two hundred twelve million, three hundred twenty-one thousand, two hundred eleven".