21102102134414 has 8 divisors (see below), whose sum is σ = 36175032230448. Its totient is φ = 9043758057600.

The previous prime is 21102102134383. The next prime is 21102102134429. The reversal of 21102102134414 is 41443120120112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753646504787 + ... + 753646504814.

It is an arithmetic number, because the mean of its divisors is an integer number (4521879028806).

Almost surely, 2^{21102102134414} is an apocalyptic number.

21102102134414 is a deficient number, since it is larger than the sum of its proper divisors (15072930096034).

21102102134414 is a wasteful number, since it uses less digits than its factorization.

21102102134414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507293009610.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 21102102134414 its reverse (41443120120112), we get a palindrome (62545222254526).

The spelling of 21102102134414 in words is "twenty-one trillion, one hundred two billion, one hundred two million, one hundred thirty-four thousand, four hundred fourteen".