21122430035 has 16 divisors (see below), whose sum is σ = 29584244736. Its totient is φ = 14175781728.

The previous prime is 21122430001. The next prime is 21122430037. The reversal of 21122430035 is 53003422112.

It is a cyclic number.

It is not a de Polignac number, because 21122430035 - 2¹² = 21122425939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21122430037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6418547 + ... + 6421836.

It is an arithmetic number, because the mean of its divisors is an integer number (1849015296).

Almost surely, 2^21122430035 is an apocalyptic number.

21122430035 is a deficient number, since it is larger than the sum of its proper divisors (8461814701).

21122430035 is a wasteful number, since it uses less digits than its factorization.

21122430035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12840442.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 21122430035 its reverse (53003422112), we get a palindrome (74125852147).

The spelling of 21122430035 in words is "twenty-one billion, one hundred twenty-two million, four hundred thirty thousand, thirty-five".