12211201011 has 16 divisors (see below), whose sum is σ = 16708019328. Its totient is φ = 7928289600.

The previous prime is 12211201001. The next prime is 12211201061. The reversal of 12211201011 is 11010211221.

It is not a de Polignac number, because 12211201011 - 2⁹ = 12211200499 is a prime.

It is a super-2 number, since 2×12211201011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211201001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16701 + ... + 157166.

It is an arithmetic number, because the mean of its divisors is an integer number (1044251208).

Almost surely, 2^12211201011 is an apocalyptic number.

12211201011 is a deficient number, since it is larger than the sum of its proper divisors (4496818317).

12211201011 is a wasteful number, since it uses less digits than its factorization.

12211201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174482.

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

Adding to 12211201011 its reverse (11010211221), we get a palindrome (23221412232).

The spelling of 12211201011 in words is "twelve billion, two hundred eleven million, two hundred one thousand, eleven".