12221111141 has 4 divisors (see below), whose sum is σ = 12505323072. Its totient is φ = 11936899212.

The previous prime is 12221111107. The next prime is 12221111173. The reversal of 12221111141 is 14111112221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14111112221 = 29033 ⋅486037.

It is a cyclic number.

It is not a de Polignac number, because 12221111141 - 2¹⁰ = 12221110117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221111101) 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, 142105901 + ... + 142105986.

It is an arithmetic number, because the mean of its divisors is an integer number (3126330768).

Almost surely, 2^12221111141 is an apocalyptic number.

It is an amenable number.

12221111141 is a deficient number, since it is larger than the sum of its proper divisors (284211931).

12221111141 is an equidigital number, since it uses as much as digits as its factorization.

12221111141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284211930.

The product of its digits is 32, while the sum is 17.

Adding to 12221111141 its reverse (14111112221), we get a palindrome (26332223362).

The spelling of 12221111141 in words is "twelve billion, two hundred twenty-one million, one hundred eleven thousand, one hundred forty-one".