21143100134014 has 64 divisors (see below), whose sum is σ = 34323684360192. Its totient is φ = 9739178460000.

The previous prime is 21143100133943. The next prime is 21143100134021. The reversal of 21143100134014 is 41043100134112.

It is a self number, because there is not a number n which added to its sum of digits gives 21143100134014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1070472639 + ... + 1070492389.

It is an arithmetic number, because the mean of its divisors is an integer number (536307568128).

Almost surely, 2^{21143100134014} is an apocalyptic number.

21143100134014 is a deficient number, since it is larger than the sum of its proper divisors (13180584226178).

21143100134014 is a wasteful number, since it uses less digits than its factorization.

21143100134014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23341.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 21143100134014 its reverse (41043100134112), we get a palindrome (62186200268126).

The spelling of 21143100134014 in words is "twenty-one trillion, one hundred forty-three billion, one hundred million, one hundred thirty-four thousand, fourteen".