21624030101045 has 16 divisors (see below), whose sum is σ = 25965479135232. Its totient is φ = 17288129584320.

The previous prime is 21624030101029. The next prime is 21624030101083. The reversal of 21624030101045 is 54010103042612.

It is not a de Polignac number, because 21624030101045 - 2⁴ = 21624030101029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21624030100999 and 21624030101017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346047374 + ... + 346109856.

It is an arithmetic number, because the mean of its divisors is an integer number (1622842445952).

Almost surely, 2^{21624030101045} is an apocalyptic number.

It is an amenable number.

21624030101045 is a deficient number, since it is larger than the sum of its proper divisors (4341449034187).

21624030101045 is a wasteful number, since it uses less digits than its factorization.

21624030101045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105772.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 21624030101045 its reverse (54010103042612), we get a palindrome (75634133143657).

The spelling of 21624030101045 in words is "twenty-one trillion, six hundred twenty-four billion, thirty million, one hundred one thousand, forty-five".