21234102530024 has 32 divisors (see below), whose sum is σ = 39896648409600. Its totient is φ = 10594998046080.

The previous prime is 21234102529999. The next prime is 21234102530027. The reversal of 21234102530024 is 42003520143212.

It is a super-2 number, since 2×21234102530024² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21234102530027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111055097 + ... + 111246135.

It is an arithmetic number, because the mean of its divisors is an integer number (1246770262800).

Almost surely, 2^{21234102530024} is an apocalyptic number.

It is an amenable number.

21234102530024 is a deficient number, since it is larger than the sum of its proper divisors (18662545879576).

21234102530024 is a wasteful number, since it uses less digits than its factorization.

21234102530024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219833 (or 219829 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 21234102530024 its reverse (42003520143212), we get a palindrome (63237622673236).

The spelling of 21234102530024 in words is "twenty-one trillion, two hundred thirty-four billion, one hundred two million, five hundred thirty thousand, twenty-four".