12211333011 has 8 divisors (see below), whose sum is σ = 18090863760. Its totient is φ = 8140888656.

The previous prime is 12211333009. The next prime is 12211333049. The reversal of 12211333011 is 11033311221.

It is not a de Polignac number, because 12211333011 - 2¹ = 12211333009 is a prime.

It is a super-2 number, since 2×12211333011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211333051) 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, 226135770 + ... + 226135823.

It is an arithmetic number, because the mean of its divisors is an integer number (2261357970).

Almost surely, 2^12211333011 is an apocalyptic number.

12211333011 is a deficient number, since it is larger than the sum of its proper divisors (5879530749).

12211333011 is an equidigital number, since it uses as much as digits as its factorization.

12211333011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452271602 (or 452271596 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12211333011 its reverse (11033311221), we get a palindrome (23244644232).

The spelling of 12211333011 in words is "twelve billion, two hundred eleven million, three hundred thirty-three thousand, eleven".