21102340125414 has 64 divisors (see below), whose sum is σ = 42502764994560. Its totient is φ = 6984574800000.

The previous prime is 21102340125403. The next prime is 21102340125431. The reversal of 21102340125414 is 41452104320112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3943622839 + ... + 3943628189.

It is an arithmetic number, because the mean of its divisors is an integer number (664105703040).

Almost surely, 2^{21102340125414} is an apocalyptic number.

21102340125414 is an abundant number, since it is smaller than the sum of its proper divisors (21400424869146).

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

21102340125414 is a wasteful number, since it uses less digits than its factorization.

21102340125414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11157.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 21102340125414 its reverse (41452104320112), we get a palindrome (62554444445526).

The spelling of 21102340125414 in words is "twenty-one trillion, one hundred two billion, three hundred forty million, one hundred twenty-five thousand, four hundred fourteen".