21200401010143 has 8 divisors (see below), whose sum is σ = 21975850967040. Its totient is φ = 20430673931640.

The previous prime is 21200401010093. The next prime is 21200401010183. The reversal of 21200401010143 is 34101010400212.

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

It is a cyclic number.

It is not a de Polignac number, because 21200401010143 - 2¹⁷ = 21200400879071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21200401010143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200401010183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1430712055 + ... + 1430726872.

It is an arithmetic number, because the mean of its divisors is an integer number (2746981370880).

Almost surely, 2^{21200401010143} is an apocalyptic number.

21200401010143 is a deficient number, since it is larger than the sum of its proper divisors (775449956897).

21200401010143 is a wasteful number, since it uses less digits than its factorization.

21200401010143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861439197.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 21200401010143 its reverse (34101010400212), we get a palindrome (55301411410355).

The spelling of 21200401010143 in words is "twenty-one trillion, two hundred billion, four hundred one million, ten thousand, one hundred forty-three".