213121421310143 has 8 divisors (see below), whose sum is σ = 213391007356080. Its totient is φ = 212851859592960.

The previous prime is 213121421310131. The next prime is 213121421310167. The reversal of 213121421310143 is 341013124121312.

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 213121421310143 - 2¹² = 213121421306047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213121421310043) 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, 11481071 + ... + 23623247.

It is an arithmetic number, because the mean of its divisors is an integer number (26673875919510).

Almost surely, 2^{213121421310143} is an apocalyptic number.

213121421310143 is a deficient number, since it is larger than the sum of its proper divisors (269586045937).

213121421310143 is a wasteful number, since it uses less digits than its factorization.

213121421310143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12164377.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 213121421310143 its reverse (341013124121312), we get a palindrome (554134545431455).

The spelling of 213121421310143 in words is "two hundred thirteen trillion, one hundred twenty-one billion, four hundred twenty-one million, three hundred ten thousand, one hundred forty-three".