2121443454324 has 24 divisors (see below), whose sum is σ = 4950105410880. Its totient is φ = 707137720384.

The previous prime is 2121443454283. The next prime is 2121443454343. The reversal of 2121443454324 is 4234543441212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361104 + ... + 2091239.

It is an arithmetic number, because the mean of its divisors is an integer number (206254392120).

Almost surely, 2^{2121443454324} is an apocalyptic number.

It is an amenable number.

2121443454324 is an abundant number, since it is smaller than the sum of its proper divisors (2828661956556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121443454324 is a wasteful number, since it uses less digits than its factorization.

2121443454324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524439 (or 2524437 counting only the distinct ones).

The product of its digits is 368640, while the sum is 39.

Adding to 2121443454324 its reverse (4234543441212), we get a palindrome (6355986895536).

The spelling of 2121443454324 in words is "two trillion, one hundred twenty-one billion, four hundred forty-three million, four hundred fifty-four thousand, three hundred twenty-four".