12211201101011 has 4 divisors (see below), whose sum is σ = 13321310292024. Its totient is φ = 11101091910000.

The previous prime is 12211201100933. The next prime is 12211201101013. The reversal of 12211201101011 is 11010110211221.

12211201101011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12211201101011 - 2¹⁰ = 12211201099987 is a prime.

It is a super-2 number, since 2×12211201101011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12211201101013) 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, 555054595490 + ... + 555054595511.

It is an arithmetic number, because the mean of its divisors is an integer number (3330327573006).

Almost surely, 2^{12211201101011} is an apocalyptic number.

12211201101011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12211201101011 is a deficient number, since it is larger than the sum of its proper divisors (1110109191013).

12211201101011 is a wasteful number, since it uses less digits than its factorization.

12211201101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110109191012.

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

Adding to 12211201101011 its reverse (11010110211221), we get a palindrome (23221311312232).

The spelling of 12211201101011 in words is "twelve trillion, two hundred eleven billion, two hundred one million, one hundred one thousand, eleven".