21101200001102 has 16 divisors (see below), whose sum is σ = 34147098372240. Its totient is φ = 9721716949632.

The previous prime is 21101200001071. The next prime is 21101200001177. The reversal of 21101200001102 is 20110000210112.

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, 720753227 + ... + 720782502.

It is an arithmetic number, because the mean of its divisors is an integer number (2134193648265).

Almost surely, 2^{21101200001102} is an apocalyptic number.

21101200001102 is a deficient number, since it is larger than the sum of its proper divisors (13045898371138).

21101200001102 is a wasteful number, since it uses less digits than its factorization.

21101200001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441536307.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 21101200001102 its reverse (20110000210112), we get a palindrome (41211200211214).

The spelling of 21101200001102 in words is "twenty-one trillion, one hundred one billion, two hundred million, one thousand, one hundred two".