12211001002211 has 4 divisors (see below), whose sum is σ = 13321092002424. Its totient is φ = 11100910002000.

The previous prime is 12211001002171. The next prime is 12211001002273. The reversal of 12211001002211 is 11220010011221.

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 12211001002211 - 2¹⁰ = 12211001001187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12211001502211) 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, 555045500090 + ... + 555045500111.

It is an arithmetic number, because the mean of its divisors is an integer number (3330273000606).

Almost surely, 2^{12211001002211} is an apocalyptic number.

12211001002211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12211001002211 is a deficient number, since it is larger than the sum of its proper divisors (1110091000213).

12211001002211 is a wasteful number, since it uses less digits than its factorization.

12211001002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110091000212.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12211001002211 its reverse (11220010011221), we get a palindrome (23431011013432).

The spelling of 12211001002211 in words is "twelve trillion, two hundred eleven billion, one million, two thousand, two hundred eleven".