221402030042143 has 8 divisors (see below), whose sum is σ = 226806742458576. Its totient is φ = 215997539668800.

The previous prime is 221402030042071. The next prime is 221402030042203. The reversal of 221402030042143 is 341240030204122.

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 221402030042143 - 2⁴⁵ = 186217657953311 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 (221402030040143) 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, 53491321 + ... + 57481522.

It is an arithmetic number, because the mean of its divisors is an integer number (28350842807322).

Almost surely, 2^{221402030042143} is an apocalyptic number.

221402030042143 is a deficient number, since it is larger than the sum of its proper divisors (5404712416433).

221402030042143 is a wasteful number, since it uses less digits than its factorization.

221402030042143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111021545.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 221402030042143 its reverse (341240030204122), we get a palindrome (562642060246265).

The spelling of 221402030042143 in words is "two hundred twenty-one trillion, four hundred two billion, thirty million, forty-two thousand, one hundred forty-three".