2101141111 has 2 divisors, whose sum is σ = 2101141112. Its totient is φ = 2101141110.

The previous prime is 2101141051. The next prime is 2101141123. The reversal of 2101141111 is 1111411012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101141111 - 2⁷ = 2101140983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2101141091 and 2101141100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101141151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050570555 + 1050570556.

It is an arithmetic number, because the mean of its divisors is an integer number (1050570556).

Almost surely, 2^2101141111 is an apocalyptic number.

2101141111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101141111 is an equidigital number, since it uses as much as digits as its factorization.

2101141111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

The square root of 2101141111 is about 45838.2058004019. The cubic root of 2101141111 is about 1280.8110726654.

Adding to 2101141111 its reverse (1111411012), we get a palindrome (3212552123).

The spelling of 2101141111 in words is "two billion, one hundred one million, one hundred forty-one thousand, one hundred eleven".