102512011 has 8 divisors (see below), whose sum is σ = 123322880. Its totient is φ = 83242728.

The previous prime is 102511999. The next prime is 102512021. The reversal of 102512011 is 110215201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102512011 - 2⁵ = 102511979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102511982 and 102512000.

It is not an unprimeable number, because it can be changed into a prime (102512021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385251 + ... + 385516.

It is an arithmetic number, because the mean of its divisors is an integer number (15415360).

Almost surely, 2^102512011 is an apocalyptic number.

102512011 is a deficient number, since it is larger than the sum of its proper divisors (20810869).

102512011 is an equidigital number, since it uses as much as digits as its factorization.

102512011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770793.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 102512011 is about 10124.8215292913. The cubic root of 102512011 is about 468.0133604071.

Adding to 102512011 its reverse (110215201), we get a palindrome (212727212).

The spelling of 102512011 in words is "one hundred two million, five hundred twelve thousand, eleven".