2123103011 has 2 divisors, whose sum is σ = 2123103012. Its totient is φ = 2123103010.

The previous prime is 2123103001. The next prime is 2123103061. The reversal of 2123103011 is 1103013212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2123103011 - 2²⁶ = 2055994147 is a prime.

It is a super-2 number, since 2×2123103011² = 9015132790634532242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2123103001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061551505 + 1061551506.

It is an arithmetic number, because the mean of its divisors is an integer number (1061551506).

Almost surely, 2^2123103011 is an apocalyptic number.

2123103011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123103011 is an equidigital number, since it uses as much as digits as its factorization.

2123103011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2123103011 is about 46077.1419578081. The cubic root of 2123103011 is about 1285.2581172857.

Adding to 2123103011 its reverse (1103013212), we get a palindrome (3226116223).

The spelling of 2123103011 in words is "two billion, one hundred twenty-three million, one hundred three thousand, eleven".