12022112211211 has 4 divisors (see below), whose sum is σ = 12022260964672. Its totient is φ = 12021963457752.

The previous prime is 12022112211133. The next prime is 12022112211227. The reversal of 12022112211211 is 11211221122021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12022112211211 - 2¹⁵ = 12022112178443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12022112217211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74255436 + ... + 74417161.

It is an arithmetic number, because the mean of its divisors is an integer number (3005565241168).

Almost surely, 2^{12022112211211} is an apocalyptic number.

12022112211211 is a deficient number, since it is larger than the sum of its proper divisors (148753461).

12022112211211 is an equidigital number, since it uses as much as digits as its factorization.

12022112211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148753460.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12022112211211 its reverse (11211221122021), we get a palindrome (23233333333232).

The spelling of 12022112211211 in words is "twelve trillion, twenty-two billion, one hundred twelve million, two hundred eleven thousand, two hundred eleven".