421122202311143 has 2 divisors, whose sum is σ = 421122202311144. Its totient is φ = 421122202311142.

The previous prime is 421122202311119. The next prime is 421122202311229. The reversal of 421122202311143 is 341113202221124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421122202311143 - 2²² = 421122198116839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421122202317143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210561101155571 + 210561101155572.

It is an arithmetic number, because the mean of its divisors is an integer number (210561101155572).

Almost surely, 2^{421122202311143} is an apocalyptic number.

421122202311143 is a deficient number, since it is larger than the sum of its proper divisors (1).

421122202311143 is an equidigital number, since it uses as much as digits as its factorization.

421122202311143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 421122202311143 its reverse (341113202221124), we get a palindrome (762235404532267).

The spelling of 421122202311143 in words is "four hundred twenty-one trillion, one hundred twenty-two billion, two hundred two million, three hundred eleven thousand, one hundred forty-three".