12211112001011 has 64 divisors (see below), whose sum is σ = 15510237281280. Its totient is φ = 9337171968000.

The previous prime is 12211112000993. The next prime is 12211112001037. The reversal of 12211112001011 is 11010021111221.

It is a cyclic number.

It is not a de Polignac number, because 12211112001011 - 2¹⁰ = 12211111999987 is a prime.

It is a super-2 number, since 2×12211112001011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211112001091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6464325155 + ... + 6464327043.

It is an arithmetic number, because the mean of its divisors is an integer number (242347457520).

Almost surely, 2^{12211112001011} is an apocalyptic number.

12211112001011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12211112001011 is a deficient number, since it is larger than the sum of its proper divisors (3299125280269).

12211112001011 is a wasteful number, since it uses less digits than its factorization.

12211112001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4476.

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

Adding to 12211112001011 its reverse (11010021111221), we get a palindrome (23221133112232).

The spelling of 12211112001011 in words is "twelve trillion, two hundred eleven billion, one hundred twelve million, one thousand, eleven".