1421112134421 has 24 divisors (see below), whose sum is σ = 2346002934080. Its totient is φ = 812050214976.

The previous prime is 1421112134383. The next prime is 1421112134509. The reversal of 1421112134421 is 1244312111241.

1421112134421 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 1 + 1 + 213 + 442 + 1 = 666.

It is not a de Polignac number, because 1421112134421 - 2¹¹ = 1421112132373 is a prime.

It is a super-2 number, since 2×1421112134421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421112134621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4384110 + ... + 4697088.

Almost surely, 2^{1421112134421} is an apocalyptic number.

It is an amenable number.

1421112134421 is a deficient number, since it is larger than the sum of its proper divisors (924890799659).

1421112134421 is a wasteful number, since it uses less digits than its factorization.

1421112134421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385065 (or 385062 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

Adding to 1421112134421 its reverse (1244312111241), we get a palindrome (2665424245662).

The spelling of 1421112134421 in words is "one trillion, four hundred twenty-one billion, one hundred twelve million, one hundred thirty-four thousand, four hundred twenty-one".