2443421234121 has 64 divisors (see below), whose sum is σ = 3861958848000. Its totient is φ = 1345055901696.

The previous prime is 2443421234119. The next prime is 2443421234129. The reversal of 2443421234121 is 1214321243442.

It is not a de Polignac number, because 2443421234121 - 2¹ = 2443421234119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2443421234129) 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, 36203235 + ... + 36270663.

It is an arithmetic number, because the mean of its divisors is an integer number (60343107000).

Almost surely, 2^{2443421234121} is an apocalyptic number.

2443421234121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2443421234121 is a deficient number, since it is larger than the sum of its proper divisors (1418537613879).

2443421234121 is a wasteful number, since it uses less digits than its factorization.

2443421234121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67938.

The product of its digits is 36864, while the sum is 33.

Adding to 2443421234121 its reverse (1214321243442), we get a palindrome (3657742477563).

The spelling of 2443421234121 in words is "two trillion, four hundred forty-three billion, four hundred twenty-one million, two hundred thirty-four thousand, one hundred twenty-one".