12211330103421 has 4 divisors (see below), whose sum is σ = 16281773471232. Its totient is φ = 8140886735612.

The previous prime is 12211330103419. The next prime is 12211330103437. The reversal of 12211330103421 is 12430103311221.

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 12211330103421 - 2¹ = 12211330103419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12211330103391 and 12211330103400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211330103411) 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, 2035221683901 + ... + 2035221683906.

It is an arithmetic number, because the mean of its divisors is an integer number (4070443367808).

Almost surely, 2^{12211330103421} is an apocalyptic number.

It is an amenable number.

12211330103421 is a deficient number, since it is larger than the sum of its proper divisors (4070443367811).

12211330103421 is an equidigital number, since it uses as much as digits as its factorization.

12211330103421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070443367810.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12211330103421 its reverse (12430103311221), we get a palindrome (24641433414642).

The spelling of 12211330103421 in words is "twelve trillion, two hundred eleven billion, three hundred thirty million, one hundred three thousand, four hundred twenty-one".