12211021031441 has 4 divisors (see below), whose sum is σ = 12329574633792. Its totient is φ = 12092467429092.

The previous prime is 12211021031399. The next prime is 12211021031449. The reversal of 12211021031441 is 14413012011221.

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.

It is a cyclic number.

It is not a de Polignac number, because 12211021031441 - 2²² = 12211016837137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12211021031449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59276801021 + ... + 59276801226.

It is an arithmetic number, because the mean of its divisors is an integer number (3082393658448).

Almost surely, 2^{12211021031441} is an apocalyptic number.

It is an amenable number.

12211021031441 is a deficient number, since it is larger than the sum of its proper divisors (118553602351).

12211021031441 is a wasteful number, since it uses less digits than its factorization.

12211021031441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118553602350.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 12211021031441 its reverse (14413012011221), we get a palindrome (26624033042662).

The spelling of 12211021031441 in words is "twelve trillion, two hundred eleven billion, twenty-one million, thirty-one thousand, four hundred forty-one".