2120212231103 has 2 divisors, whose sum is σ = 2120212231104. Its totient is φ = 2120212231102.

The previous prime is 2120212231087. The next prime is 2120212231177. The reversal of 2120212231103 is 3011322120212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120212231103 - 2⁴ = 2120212231087 is a prime.

It is a super-2 number, since 2×2120212231103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120212231183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060106115551 + 1060106115552.

It is an arithmetic number, because the mean of its divisors is an integer number (1060106115552).

Almost surely, 2^{2120212231103} is an apocalyptic number.

2120212231103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120212231103 is an equidigital number, since it uses as much as digits as its factorization.

2120212231103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2120212231103 its reverse (3011322120212), we get a palindrome (5131534351315).

The spelling of 2120212231103 in words is "two trillion, one hundred twenty billion, two hundred twelve million, two hundred thirty-one thousand, one hundred three".