102218011 has 16 divisors (see below), whose sum is σ = 121521600. Its totient is φ = 84123648.

The previous prime is 102217987. The next prime is 102218033. The reversal of 102218011 is 110812201.

It is not a de Polignac number, because 102218011 - 2⁵ = 102217979 is a prime.

It is a super-2 number, since 2×102218011² = 20897043545592242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102218041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37875 + ... + 40483.

It is an arithmetic number, because the mean of its divisors is an integer number (7595100).

Almost surely, 2^102218011 is an apocalyptic number.

102218011 is a deficient number, since it is larger than the sum of its proper divisors (19303589).

102218011 is a wasteful number, since it uses less digits than its factorization.

102218011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 102218011 is about 10110.2923300961. The cubic root of 102218011 is about 467.5655179987.

The spelling of 102218011 in words is "one hundred two million, two hundred eighteen thousand, eleven".