12011010112211 has 4 divisors (see below), whose sum is σ = 13102920122424. Its totient is φ = 10919100102000.

The previous prime is 12011010112201. The next prime is 12011010112223. The reversal of 12011010112211 is 11221101011021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12011010112211 - 2¹⁴ = 12011010095827 is a prime.

It is a super-2 number, since 2×12011010112211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12011010112201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545955005090 + ... + 545955005111.

It is an arithmetic number, because the mean of its divisors is an integer number (3275730030606).

Almost surely, 2^{12011010112211} is an apocalyptic number.

12011010112211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12011010112211 is a deficient number, since it is larger than the sum of its proper divisors (1091910010213).

12011010112211 is a wasteful number, since it uses less digits than its factorization.

12011010112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091910010212.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12011010112211 its reverse (11221101011021), we get a palindrome (23232111123232).

The spelling of 12011010112211 in words is "twelve trillion, eleven billion, ten million, one hundred twelve thousand, two hundred eleven".