10522121 has 4 divisors (see below), whose sum is σ = 10556052. Its totient is φ = 10488192.

The previous prime is 10522111. The next prime is 10522123. The reversal of 10522121 is 12122501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12122501 = 2837 ⋅4273.

It can be written as a sum of positive squares in 2 ways, for example, as 511225 + 10010896 = 715^2 + 3164^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10522121 is a prime.

It is a super-2 number, since 2×10522121² = 221430060677282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10522096 and 10522105.

It is not an unprimeable number, because it can be changed into a prime (10522123) 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, 16496 + ... + 17121.

It is an arithmetic number, because the mean of its divisors is an integer number (2639013).

Almost surely, 2^10522121 is an apocalyptic number.

It is an amenable number.

10522121 is a deficient number, since it is larger than the sum of its proper divisors (33931).

10522121 is an equidigital number, since it uses as much as digits as its factorization.

10522121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33930.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 10522121 is about 3243.7818977237. The cubic root of 10522121 is about 219.1296258650.

Adding to 10522121 its reverse (12122501), we get a palindrome (22644622).

The spelling of 10522121 in words is "ten million, five hundred twenty-two thousand, one hundred twenty-one".