21000002110010 has 64 divisors (see below), whose sum is σ = 47224048896000. Its totient is φ = 6532014726720.

The previous prime is 21000002110007. The next prime is 21000002110037. The reversal of 21000002110010 is 1001120000012.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 21000002110010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27625760 + ... + 28375739.

It is an arithmetic number, because the mean of its divisors is an integer number (737875764000).

Almost surely, 2^{21000002110010} is an apocalyptic number.

21000002110010 is an abundant number, since it is smaller than the sum of its proper divisors (26224046785990).

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

21000002110010 is a wasteful number, since it uses less digits than its factorization.

21000002110010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56002011.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 21000002110010 its reverse (1001120000012), we get a palindrome (22001122110022).

The spelling of 21000002110010 in words is "twenty-one trillion, two million, one hundred ten thousand, ten".