10521116 has 24 divisors (see below), whose sum is σ = 18942000. Its totient is φ = 5111424.

The previous prime is 10521107. The next prime is 10521149. The reversal of 10521116 is 61112501.

It is a super-2 number, since 2×10521116² = 221387763770912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10521094 and 10521103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25520 + ... + 25928.

It is an arithmetic number, because the mean of its divisors is an integer number (789250).

Almost surely, 2^10521116 is an apocalyptic number.

It is an amenable number.

10521116 is a deficient number, since it is larger than the sum of its proper divisors (8420884).

10521116 is a wasteful number, since it uses less digits than its factorization.

10521116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 10521116 is about 3243.6269822530. The cubic root of 10521116 is about 219.1226490624.

Adding to 10521116 its reverse (61112501), we get a palindrome (71633617).

The spelling of 10521116 in words is "ten million, five hundred twenty-one thousand, one hundred sixteen".