2102523011 has 2 divisors, whose sum is σ = 2102523012. Its totient is φ = 2102523010.

The previous prime is 2102523001. The next prime is 2102523023. The reversal of 2102523011 is 1103252012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102523011 is a prime.

It is a super-2 number, since 2×2102523011² = 8841206023569012242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2102523001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051261505 + 1051261506.

It is an arithmetic number, because the mean of its divisors is an integer number (1051261506).

Almost surely, 2^2102523011 is an apocalyptic number.

2102523011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102523011 is an equidigital number, since it uses as much as digits as its factorization.

2102523011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2102523011 is about 45853.2769930351. The cubic root of 2102523011 is about 1281.0918034434.

Adding to 2102523011 its reverse (1103252012), we get a palindrome (3205775023).

The spelling of 2102523011 in words is "two billion, one hundred two million, five hundred twenty-three thousand, eleven".