2421221465532 has 12 divisors (see below), whose sum is σ = 5649516752936. Its totient is φ = 807073821840.

The previous prime is 2421221465441. The next prime is 2421221465603. The reversal of 2421221465532 is 2355641221242.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100884227719 + ... + 100884227742.

Almost surely, 2^{2421221465532} is an apocalyptic number.

It is an amenable number.

2421221465532 is an abundant number, since it is smaller than the sum of its proper divisors (3228295287404).

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

2421221465532 is a wasteful number, since it uses less digits than its factorization.

2421221465532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201768455468 (or 201768455466 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

Adding to 2421221465532 its reverse (2355641221242), we get a palindrome (4776862686774).

The spelling of 2421221465532 in words is "two trillion, four hundred twenty-one billion, two hundred twenty-one million, four hundred sixty-five thousand, five hundred thirty-two".