2102111093 has 2 divisors, whose sum is σ = 2102111094. Its totient is φ = 2102111092.

The previous prime is 2102111087. The next prime is 2102111101. The reversal of 2102111093 is 3901112012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1232922769 + 869188324 = 35113^2 + 29482^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102111093 - 2¹² = 2102106997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102111083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051055546 + 1051055547.

It is an arithmetic number, because the mean of its divisors is an integer number (1051055547).

Almost surely, 2^2102111093 is an apocalyptic number.

It is an amenable number.

2102111093 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102111093 is an equidigital number, since it uses as much as digits as its factorization.

2102111093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 2102111093 is about 45848.7850765972. The cubic root of 2102111093 is about 1281.0081358313.

The spelling of 2102111093 in words is "two billion, one hundred two million, one hundred eleven thousand, ninety-three".