10521107 has 2 divisors, whose sum is σ = 10521108. Its totient is φ = 10521106.

The previous prime is 10521101. The next prime is 10521149. The reversal of 10521107 is 70112501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10521107 - 2¹² = 10517011 is a prime.

It is a super-2 number, since 2×10521107² = 221387385010898, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10521101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260553 + 5260554.

It is an arithmetic number, because the mean of its divisors is an integer number (5260554).

Almost surely, 2^10521107 is an apocalyptic number.

10521107 is a deficient number, since it is larger than the sum of its proper divisors (1).

10521107 is an equidigital number, since it uses as much as digits as its factorization.

10521107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 10521107 is about 3243.6255949169. The cubic root of 10521107 is about 219.1225865815.

Adding to 10521107 its reverse (70112501), we get a palindrome (80633608).

It can be divided in two parts, 105 and 21107, that added together give a palindrome (21212).

The spelling of 10521107 in words is "ten million, five hundred twenty-one thousand, one hundred seven".