12222101211 has 8 divisors (see below), whose sum is σ = 16296647760. Its totient is φ = 8147811072.

The previous prime is 12222101197. The next prime is 12222101219. The reversal of 12222101211 is 11210122221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12222101211 - 2⁷ = 12222101083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12222101219) 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, 139575 + ... + 209583.

It is an arithmetic number, because the mean of its divisors is an integer number (2037080970).

Almost surely, 2^12222101211 is an apocalyptic number.

12222101211 is a deficient number, since it is larger than the sum of its proper divisors (4074546549).

12222101211 is an equidigital number, since it uses as much as digits as its factorization.

12222101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128205.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12222101211 its reverse (11210122221), we get a palindrome (23432223432).

The spelling of 12222101211 in words is "twelve billion, two hundred twenty-two million, one hundred one thousand, two hundred eleven".