221201112043 has 2 divisors, whose sum is σ = 221201112044. Its totient is φ = 221201112042.

The previous prime is 221201112007. The next prime is 221201112049. The reversal of 221201112043 is 340211102122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221201112043 - 2²⁹ = 220664241131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221201112043.

It is not a weakly prime, because it can be changed into another prime (221201112049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110600556021 + 110600556022.

It is an arithmetic number, because the mean of its divisors is an integer number (110600556022).

Almost surely, 2^221201112043 is an apocalyptic number.

221201112043 is a deficient number, since it is larger than the sum of its proper divisors (1).

221201112043 is an equidigital number, since it uses as much as digits as its factorization.

221201112043 is an evil number, because the sum of its binary digits is even.

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

Adding to 221201112043 its reverse (340211102122), we get a palindrome (561412214165).

The spelling of 221201112043 in words is "two hundred twenty-one billion, two hundred one million, one hundred twelve thousand, forty-three".