21230000210102 has 16 divisors (see below), whose sum is σ = 32203489595760. Its totient is φ = 10495952070912.

The previous prime is 21230000210053. The next prime is 21230000210113. The reversal of 21230000210102 is 20101200003212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112003223 + ... + 112192610.

It is an arithmetic number, because the mean of its divisors is an integer number (2012718099735).

Almost surely, 2^{21230000210102} is an apocalyptic number.

21230000210102 is a deficient number, since it is larger than the sum of its proper divisors (10973489385658).

21230000210102 is a wasteful number, since it uses less digits than its factorization.

21230000210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224196367.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21230000210102 its reverse (20101200003212), we get a palindrome (41331200213314).

The spelling of 21230000210102 in words is "twenty-one trillion, two hundred thirty billion, two hundred ten thousand, one hundred two".