2102000111 has 2 divisors, whose sum is σ = 2102000112. Its totient is φ = 2102000110.

The previous prime is 2102000101. The next prime is 2102000119. The reversal of 2102000111 is 1110002012.

It is an a-pointer prime, because the next prime (2102000119) can be obtained adding 2102000111 to its sum of digits (8).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2102000111 - 2²⁶ = 2034891247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102000119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051000055 + 1051000056.

It is an arithmetic number, because the mean of its divisors is an integer number (1051000056).

Almost surely, 2^2102000111 is an apocalyptic number.

2102000111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102000111 is an equidigital number, since it uses as much as digits as its factorization.

2102000111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 2102000111 is about 45847.5747559236. The cubic root of 2102000111 is about 1280.9855916141.

Adding to 2102000111 its reverse (1110002012), we get a palindrome (3212002123).

The spelling of 2102000111 in words is "two billion, one hundred two million, one hundred eleven", and thus it is an aban number.