1432221344121 has 4 divisors (see below), whose sum is σ = 1909628458832. Its totient is φ = 954814229412.

The previous prime is 1432221344101. The next prime is 1432221344123. The reversal of 1432221344121 is 1214431222341.

It is a happy number.

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 not a de Polignac number, because 1432221344121 - 2¹⁴ = 1432221327737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1432221344123) 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, 238703557351 + ... + 238703557356.

It is an arithmetic number, because the mean of its divisors is an integer number (477407114708).

Almost surely, 2^{1432221344121} is an apocalyptic number.

It is an amenable number.

1432221344121 is a deficient number, since it is larger than the sum of its proper divisors (477407114711).

1432221344121 is an equidigital number, since it uses as much as digits as its factorization.

1432221344121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477407114710.

The product of its digits is 9216, while the sum is 30.

Adding to 1432221344121 its reverse (1214431222341), we get a palindrome (2646652566462).

The spelling of 1432221344121 in words is "one trillion, four hundred thirty-two billion, two hundred twenty-one million, three hundred forty-four thousand, one hundred twenty-one".