21100102000010 has 16 divisors (see below), whose sum is σ = 41432927563872. Its totient is φ = 7672764363600.

The previous prime is 21100101999983. The next prime is 21100102000049. The reversal of 21100102000010 is 1000020100112.

It is a Curzon 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, 95909554436 + ... + 95909554655.

It is an arithmetic number, because the mean of its divisors is an integer number (2589557972742).

Almost surely, 2^{21100102000010} is an apocalyptic number.

21100102000010 is a deficient number, since it is larger than the sum of its proper divisors (20332825563862).

21100102000010 is a wasteful number, since it uses less digits than its factorization.

21100102000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191819109109.

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

Adding to 21100102000010 its reverse (1000020100112), we get a palindrome (22100122100122).

The spelling of 21100102000010 in words is "twenty-one trillion, one hundred billion, one hundred two million, ten", and thus it is an aban number.