2141105123 has 2 divisors, whose sum is σ = 2141105124. Its totient is φ = 2141105122.

The previous prime is 2141105093. The next prime is 2141105189. The reversal of 2141105123 is 3215011412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2141105123 - 2⁶ = 2141105059 is a prime.

It is a super-2 number, since 2×2141105123² = 9168662295473690258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2141105095 and 2141105104.

It is not a weakly prime, because it can be changed into another prime (2141105423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070552561 + 1070552562.

It is an arithmetic number, because the mean of its divisors is an integer number (1070552562).

Almost surely, 2^2141105123 is an apocalyptic number.

2141105123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141105123 is an equidigital number, since it uses as much as digits as its factorization.

2141105123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2141105123 is about 46272.0771416197. The cubic root of 2141105123 is about 1288.8805309128.

Adding to 2141105123 its reverse (3215011412), we get a palindrome (5356116535).

The spelling of 2141105123 in words is "two billion, one hundred forty-one million, one hundred five thousand, one hundred twenty-three".