211112120101211 has 8 divisors (see below), whose sum is σ = 241271085160704. Its totient is φ = 180953177731560.

The previous prime is 211112120101177. The next prime is 211112120101273. The reversal of 211112120101211 is 112101021211112.

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

It is a cyclic number.

It is not a de Polignac number, because 211112120101211 - 2¹⁸ = 211112119839067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211112120101211.

It is not an unprimeable number, because it can be changed into a prime (211112120104211) 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, 26217026 + ... + 33310008.

It is an arithmetic number, because the mean of its divisors is an integer number (30158885645088).

Almost surely, 2^{211112120101211} is an apocalyptic number.

211112120101211 is a deficient number, since it is larger than the sum of its proper divisors (30158965059493).

211112120101211 is an equidigital number, since it uses as much as digits as its factorization.

211112120101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11344921.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 211112120101211 its reverse (112101021211112), we get a palindrome (323213141312323).

The spelling of 211112120101211 in words is "two hundred eleven trillion, one hundred twelve billion, one hundred twenty million, one hundred one thousand, two hundred eleven".