21130010102 has 8 divisors (see below), whose sum is σ = 32787946800. Its totient is φ = 10200694504.

The previous prime is 21130010063. The next prime is 21130010123. The reversal of 21130010102 is 20101003112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182155202 + ... + 182155317.

It is an arithmetic number, because the mean of its divisors is an integer number (4098493350).

Almost surely, 2^21130010102 is an apocalyptic number.

21130010102 is a deficient number, since it is larger than the sum of its proper divisors (11657936698).

21130010102 is a wasteful number, since it uses less digits than its factorization.

21130010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364310550.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 21130010102 its reverse (20101003112), we get a palindrome (41231013214).

The spelling of 21130010102 in words is "twenty-one billion, one hundred thirty million, ten thousand, one hundred two".