1220421041341 has 4 divisors (see below), whose sum is σ = 1238636280832. Its totient is φ = 1202205801852.

The previous prime is 1220421041317. The next prime is 1220421041381. The reversal of 1220421041341 is 1431401240221.

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 1220421041341 - 2³³ = 1211831106749 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 (1220421041311) 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, 9107619645 + ... + 9107619778.

It is an arithmetic number, because the mean of its divisors is an integer number (309659070208).

Almost surely, 2^{1220421041341} is an apocalyptic number.

It is an amenable number.

1220421041341 is a deficient number, since it is larger than the sum of its proper divisors (18215239491).

1220421041341 is an equidigital number, since it uses as much as digits as its factorization.

1220421041341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18215239490.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1220421041341 its reverse (1431401240221), we get a palindrome (2651822281562).

The spelling of 1220421041341 in words is "one trillion, two hundred twenty billion, four hundred twenty-one million, forty-one thousand, three hundred forty-one".