120221121122143 has 2 divisors, whose sum is σ = 120221121122144. Its totient is φ = 120221121122142.

The previous prime is 120221121122033. The next prime is 120221121122147. The reversal of 120221121122143 is 341221121122021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120221121122143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120221121122147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110560561071 + 60110560561072.

It is an arithmetic number, because the mean of its divisors is an integer number (60110560561072).

Almost surely, 2^{120221121122143} is an apocalyptic number.

120221121122143 is a deficient number, since it is larger than the sum of its proper divisors (1).

120221121122143 is an equidigital number, since it uses as much as digits as its factorization.

120221121122143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 120221121122143 its reverse (341221121122021), we get a palindrome (461442242244164).

The spelling of 120221121122143 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred forty-three".