1421033034421 has 64 divisors (see below), whose sum is σ = 1924571529216. Its totient is φ = 1013260089600.

The previous prime is 1421033034419. The next prime is 1421033034433. The reversal of 1421033034421 is 1244303301241.

It is a happy number.

It is not a de Polignac number, because 1421033034421 - 2¹ = 1421033034419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1421033034421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421033034401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56006280 + ... + 56031646.

It is an arithmetic number, because the mean of its divisors is an integer number (30071430144).

Almost surely, 2^{1421033034421} is an apocalyptic number.

1421033034421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1421033034421 is a deficient number, since it is larger than the sum of its proper divisors (503538494795).

1421033034421 is a wasteful number, since it uses less digits than its factorization.

1421033034421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25882.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1421033034421 its reverse (1244303301241), we get a palindrome (2665336335662).

The spelling of 1421033034421 in words is "one trillion, four hundred twenty-one billion, thirty-three million, thirty-four thousand, four hundred twenty-one".