12210201111 has 12 divisors (see below), whose sum is σ = 16634035832. Its totient is φ = 7966935408.

The previous prime is 12210201083. The next prime is 12210201137. The reversal of 12210201111 is 11110201221.

It is not a de Polignac number, because 12210201111 - 2¹⁰ = 12210200087 is a prime.

It is a super-2 number, since 2×12210201111² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210201011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 914620 + ... + 927873.

Almost surely, 2^12210201111 is an apocalyptic number.

12210201111 is a deficient number, since it is larger than the sum of its proper divisors (4423834721).

12210201111 is an equidigital number, since it uses as much as digits as its factorization.

12210201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842590 (or 1842543 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12210201111 its reverse (11110201221), we get a palindrome (23320402332).

The spelling of 12210201111 in words is "twelve billion, two hundred ten million, two hundred one thousand, one hundred eleven".