21060103030 has 32 divisors (see below), whose sum is σ = 40149595296. Its totient is φ = 7926234624.

The previous prime is 21060103027. The next prime is 21060103033. The reversal of 21060103030 is 3030106012.

It is an interprime number because it is at equal distance from previous prime (21060103027) and next prime (21060103033).

It is a junction number, because it is equal to n+sod(n) for n = 21060102995 and 21060103013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21060103033) 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, 650077 + ... + 681703.

It is an arithmetic number, because the mean of its divisors is an integer number (1254674853).

Almost surely, 2^21060103030 is an apocalyptic number.

21060103030 is a deficient number, since it is larger than the sum of its proper divisors (19089492266).

21060103030 is a wasteful number, since it uses less digits than its factorization.

21060103030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35568.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21060103030 its reverse (3030106012), we get a palindrome (24090209042).

The spelling of 21060103030 in words is "twenty-one billion, sixty million, one hundred three thousand, thirty".