21134103111102 has 16 divisors (see below), whose sum is σ = 42303996419472. Its totient is φ = 7038736004160.

The previous prime is 21134103111083. The next prime is 21134103111113. The reversal of 21134103111102 is 20111130143112.

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, 1491250543 + ... + 1491264714.

It is an arithmetic number, because the mean of its divisors is an integer number (2643999776217).

Almost surely, 2^{21134103111102} is an apocalyptic number.

21134103111102 is an abundant number, since it is smaller than the sum of its proper divisors (21169893308370).

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

21134103111102 is a wasteful number, since it uses less digits than its factorization.

21134103111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982516443.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 21134103111102 its reverse (20111130143112), we get a palindrome (41245233254214).

The spelling of 21134103111102 in words is "twenty-one trillion, one hundred thirty-four billion, one hundred three million, one hundred eleven thousand, one hundred two".