10218011 has 4 divisors (see below), whose sum is σ = 10230792. Its totient is φ = 10205232.

The previous prime is 10218007. The next prime is 10218017. The reversal of 10218011 is 11081201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11081201 = 613 ⋅18077.

It is a cyclic number.

It is not a de Polignac number, because 10218011 - 2² = 10218007 is a prime.

It is a super-2 number, since 2×10218011² = 208815497592242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10218017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5105 + ... + 6818.

It is an arithmetic number, because the mean of its divisors is an integer number (2557698).

Almost surely, 2^10218011 is an apocalyptic number.

10218011 is a deficient number, since it is larger than the sum of its proper divisors (12781).

10218011 is an equidigital number, since it uses as much as digits as its factorization.

10218011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12780.

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 10218011 is about 3196.5623722993. The cubic root of 10218011 is about 216.9978621831.

Adding to 10218011 its reverse (11081201), we get a palindrome (21299212).

The spelling of 10218011 in words is "ten million, two hundred eighteen thousand, eleven".