111212210000211 has 8 divisors (see below), whose sum is σ = 148283164807104. Its totient is φ = 74141364263400.

The previous prime is 111212210000173. The next prime is 111212210000237. The reversal of 111212210000211 is 112000012212111.

It is a happy number.

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

It is not a de Polignac number, because 111212210000211 - 2⁴¹ = 109013186744659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111212210080211) 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, 24857941 + ... + 28988646.

It is an arithmetic number, because the mean of its divisors is an integer number (18535395600888).

Almost surely, 2^{111212210000211} is an apocalyptic number.

111212210000211 is a deficient number, since it is larger than the sum of its proper divisors (37070954806893).

111212210000211 is an equidigital number, since it uses as much as digits as its factorization.

111212210000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54535041.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111212210000211 its reverse (112000012212111), we get a palindrome (223212222212322).

The spelling of 111212210000211 in words is "one hundred eleven trillion, two hundred twelve billion, two hundred ten million, two hundred eleven", and thus it is an aban number.