111020212212211 has 8 divisors (see below), whose sum is σ = 116012437860384. Its totient is φ = 106041758222400.

The previous prime is 111020212212193. The next prime is 111020212212277. The reversal of 111020212212211 is 112212212020111.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111020212212211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111020212212281) 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, 3442898106 + ... + 3442930351.

It is an arithmetic number, because the mean of its divisors is an integer number (14501554732548).

Almost surely, 2^{111020212212211} is an apocalyptic number.

111020212212211 is a deficient number, since it is larger than the sum of its proper divisors (4992225648173).

111020212212211 is an equidigital number, since it uses as much as digits as its factorization.

111020212212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6885829181.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111020212212211 its reverse (112212212020111), we get a palindrome (223232424232322).

The spelling of 111020212212211 in words is "one hundred eleven trillion, twenty billion, two hundred twelve million, two hundred twelve thousand, two hundred eleven".