2111002073 has 2 divisors, whose sum is σ = 2111002074. Its totient is φ = 2111002072.

The previous prime is 2111002007. The next prime is 2111002099. The reversal of 2111002073 is 3702001112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1384807369 + 726194704 = 37213^2 + 26948^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111002073 - 2²⁰ = 2109953497 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111002273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055501036 + 1055501037.

It is an arithmetic number, because the mean of its divisors is an integer number (1055501037).

Almost surely, 2^2111002073 is an apocalyptic number.

It is an amenable number.

2111002073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111002073 is an equidigital number, since it uses as much as digits as its factorization.

2111002073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 2111002073 is about 45945.6425899127. The cubic root of 2111002073 is about 1282.8116240825.

Adding to 2111002073 its reverse (3702001112), we get a palindrome (5813003185).

The spelling of 2111002073 in words is "two billion, one hundred eleven million, two thousand, seventy-three".