21014401030 has 64 divisors (see below), whose sum is σ = 45523399680. Its totient is φ = 6828395904.

The previous prime is 21014401027. The next prime is 21014401073. The reversal of 21014401030 is 3010441012.

It is a junction number, because it is equal to n+sod(n) for n = 21014400995 and 21014401013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115617 + ... + 235363.

It is an arithmetic number, because the mean of its divisors is an integer number (711303120).

Almost surely, 2^21014401030 is an apocalyptic number.

21014401030 is an abundant number, since it is smaller than the sum of its proper divisors (24508998650).

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

21014401030 is a wasteful number, since it uses less digits than its factorization.

21014401030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119893.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21014401030 its reverse (3010441012), we get a palindrome (24024842042).

The spelling of 21014401030 in words is "twenty-one billion, fourteen million, four hundred one thousand, thirty".