21305424410130 has 32 divisors (see below), whose sum is σ = 58437735525504. Its totient is φ = 4869811293696.

The previous prime is 21305424410107. The next prime is 21305424410141. The reversal of 21305424410130 is 3101442450312.

It is a super-2 number, since 2×21305424410130² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 50727200767 + ... + 50727201186.

It is an arithmetic number, because the mean of its divisors is an integer number (1826179235172).

Almost surely, 2^{21305424410130} is an apocalyptic number.

21305424410130 is an abundant number, since it is smaller than the sum of its proper divisors (37132311115374).

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

21305424410130 is a wasteful number, since it uses less digits than its factorization.

21305424410130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101454401970.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 21305424410130 its reverse (3101442450312), we get a palindrome (24406866860442).

The spelling of 21305424410130 in words is "twenty-one trillion, three hundred five billion, four hundred twenty-four million, four hundred ten thousand, one hundred thirty".