21131022143001 has 8 divisors (see below), whose sum is σ = 28175946766624. Its totient is φ = 14086722807360.

The previous prime is 21131022142999. The next prime is 21131022143003. The reversal of 21131022143001 is 10034122013112.

It is an interprime number because it is at equal distance from previous prime (21131022142999) and next prime (21131022143003).

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

It is not a de Polignac number, because 21131022143001 - 2¹ = 21131022142999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21131022143003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 156243136 + ... + 156378321.

It is an arithmetic number, because the mean of its divisors is an integer number (3521993345828).

Almost surely, 2^{21131022143001} is an apocalyptic number.

It is an amenable number.

21131022143001 is a deficient number, since it is larger than the sum of its proper divisors (7044924623623).

21131022143001 is a wasteful number, since it uses less digits than its factorization.

21131022143001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312643991.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 21131022143001 its reverse (10034122013112), we get a palindrome (31165144156113).

The spelling of 21131022143001 in words is "twenty-one trillion, one hundred thirty-one billion, twenty-two million, one hundred forty-three thousand, one".