121222200001043 has 2 divisors, whose sum is σ = 121222200001044. Its totient is φ = 121222200001042.

The previous prime is 121222200001009. The next prime is 121222200001087. The reversal of 121222200001043 is 340100002222121.

It is a weak prime.

It is an emirp because it is prime and its reverse (340100002222121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121222200001043 - 2¹⁴ = 121222199984659 is a prime.

It is not a weakly prime, because it can be changed into another prime (121222200001093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60611100000521 + 60611100000522.

It is an arithmetic number, because the mean of its divisors is an integer number (60611100000522).

Almost surely, 2^{121222200001043} is an apocalyptic number.

121222200001043 is a deficient number, since it is larger than the sum of its proper divisors (1).

121222200001043 is an equidigital number, since it uses as much as digits as its factorization.

121222200001043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 121222200001043 its reverse (340100002222121), we get a palindrome (461322202223164).

The spelling of 121222200001043 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, two hundred million, one thousand, forty-three".