2421034220056 has 8 divisors (see below), whose sum is σ = 4539439162620. Its totient is φ = 1210517110024.

The previous prime is 2421034220041. The next prime is 2421034220069. The reversal of 2421034220056 is 6500224301242.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2421034220056² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151314638746 + ... + 151314638761.

Almost surely, 2^{2421034220056} is an apocalyptic number.

It is an amenable number.

2421034220056 is a deficient number, since it is larger than the sum of its proper divisors (2118404942564).

2421034220056 is a wasteful number, since it uses less digits than its factorization.

2421034220056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302629277513 (or 302629277509 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 2421034220056 its reverse (6500224301242), we get a palindrome (8921258521298).

The spelling of 2421034220056 in words is "two trillion, four hundred twenty-one billion, thirty-four million, two hundred twenty thousand, fifty-six".