2120122221043 has 2 divisors, whose sum is σ = 2120122221044. Its totient is φ = 2120122221042.

The previous prime is 2120122221031. The next prime is 2120122221103. The reversal of 2120122221043 is 3401222210212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120122221043 - 2¹⁷ = 2120122089971 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120122221643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060061110521 + 1060061110522.

It is an arithmetic number, because the mean of its divisors is an integer number (1060061110522).

Almost surely, 2^{2120122221043} is an apocalyptic number.

2120122221043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120122221043 is an equidigital number, since it uses as much as digits as its factorization.

2120122221043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 2120122221043 its reverse (3401222210212), we get a palindrome (5521344431255).

The spelling of 2120122221043 in words is "two trillion, one hundred twenty billion, one hundred twenty-two million, two hundred twenty-one thousand, forty-three".