221244014243143 has 2 divisors, whose sum is σ = 221244014243144. Its totient is φ = 221244014243142.

The previous prime is 221244014243101. The next prime is 221244014243173. The reversal of 221244014243143 is 341342410442122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221244014243143 - 2²⁵ = 221243980688711 is a prime.

It is a super-2 number, since 2×221244014243143² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221244014243173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110622007121571 + 110622007121572.

It is an arithmetic number, because the mean of its divisors is an integer number (110622007121572).

Almost surely, 2^{221244014243143} is an apocalyptic number.

221244014243143 is a deficient number, since it is larger than the sum of its proper divisors (1).

221244014243143 is an equidigital number, since it uses as much as digits as its factorization.

221244014243143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 221244014243143 its reverse (341342410442122), we get a palindrome (562586424685265).

The spelling of 221244014243143 in words is "two hundred twenty-one trillion, two hundred forty-four billion, fourteen million, two hundred forty-three thousand, one hundred forty-three".