21130401410 has 32 divisors (see below), whose sum is σ = 41118632640. Its totient is φ = 7790893632.

The previous prime is 21130401401. The next prime is 21130401419. The reversal of 21130401410 is 1410403112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21130401401) and next prime (21130401419).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21130401419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1495844 + ... + 1509903.

It is an arithmetic number, because the mean of its divisors is an integer number (1284957270).

Almost surely, 2^21130401410 is an apocalyptic number.

21130401410 is a deficient number, since it is larger than the sum of its proper divisors (19988231230).

21130401410 is a wasteful number, since it uses less digits than its factorization.

21130401410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005810.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21130401410 its reverse (1410403112), we get a palindrome (22540804522).

The spelling of 21130401410 in words is "twenty-one billion, one hundred thirty million, four hundred one thousand, four hundred ten".