1421131444211 has 8 divisors (see below), whose sum is σ = 1470353623200. Its totient is φ = 1371923775040.

The previous prime is 1421131444199. The next prime is 1421131444223. The reversal of 1421131444211 is 1124441311241.

It is an interprime number because it is at equal distance from previous prime (1421131444199) and next prime (1421131444223).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1421131444211 - 2¹⁰ = 1421131443187 is a prime.

It is a super-2 number, since 2×1421131444211² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421131444241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3427991 + ... + 3820128.

It is an arithmetic number, because the mean of its divisors is an integer number (183794202900).

Almost surely, 2^{1421131444211} is an apocalyptic number.

1421131444211 is a deficient number, since it is larger than the sum of its proper divisors (49222178989).

1421131444211 is an equidigital number, since it uses as much as digits as its factorization.

1421131444211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7254909.

The product of its digits is 3072, while the sum is 29.

Adding to 1421131444211 its reverse (1124441311241), we get a palindrome (2545572755452).

The spelling of 1421131444211 in words is "one trillion, four hundred twenty-one billion, one hundred thirty-one million, four hundred forty-four thousand, two hundred eleven".