2103221311123 has 2 divisors, whose sum is σ = 2103221311124. Its totient is φ = 2103221311122.

The previous prime is 2103221311043. The next prime is 2103221311141. The reversal of 2103221311123 is 3211131223012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2103221311123 - 2⁹ = 2103221310611 is a prime.

It is a super-2 number, since 2×2103221311123² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2103221311094 and 2103221311103.

It is not a weakly prime, because it can be changed into another prime (2103221311193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051610655561 + 1051610655562.

It is an arithmetic number, because the mean of its divisors is an integer number (1051610655562).

Almost surely, 2^{2103221311123} is an apocalyptic number.

2103221311123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103221311123 is an equidigital number, since it uses as much as digits as its factorization.

2103221311123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2103221311123 its reverse (3211131223012), we get a palindrome (5314352534135).

The spelling of 2103221311123 in words is "two trillion, one hundred three billion, two hundred twenty-one million, three hundred eleven thousand, one hundred twenty-three".