2121222301043 has 2 divisors, whose sum is σ = 2121222301044. Its totient is φ = 2121222301042.

The previous prime is 2121222300991. The next prime is 2121222301069. The reversal of 2121222301043 is 3401032221212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2121222301043 - 2¹⁴ = 2121222284659 is a prime.

It is not a weakly prime, because it can be changed into another prime (2121222301243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060611150521 + 1060611150522.

It is an arithmetic number, because the mean of its divisors is an integer number (1060611150522).

Almost surely, 2^{2121222301043} is an apocalyptic number.

2121222301043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121222301043 is an equidigital number, since it uses as much as digits as its factorization.

2121222301043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2121222301043 its reverse (3401032221212), we get a palindrome (5522254522255).

The spelling of 2121222301043 in words is "two trillion, one hundred twenty-one billion, two hundred twenty-two million, three hundred one thousand, forty-three".