1421341203121 has 48 divisors (see below), whose sum is σ = 1703713693440. Its totient is φ = 1181803633920.

The previous prime is 1421341203101. The next prime is 1421341203131. The reversal of 1421341203121 is 1213021431241.

It is not a de Polignac number, because 1421341203121 - 2⁵ = 1421341203089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421341203101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 243920410 + ... + 243926236.

It is an arithmetic number, because the mean of its divisors is an integer number (35494035280).

Almost surely, 2^{1421341203121} is an apocalyptic number.

It is an amenable number.

1421341203121 is a deficient number, since it is larger than the sum of its proper divisors (282372490319).

1421341203121 is a wasteful number, since it uses less digits than its factorization.

1421341203121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7014 (or 7007 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1421341203121 its reverse (1213021431241), we get a palindrome (2634362634362).

The spelling of 1421341203121 in words is "one trillion, four hundred twenty-one billion, three hundred forty-one million, two hundred three thousand, one hundred twenty-one".