20112107 has 2 divisors, whose sum is σ = 20112108. Its totient is φ = 20112106.

The previous prime is 20112073. The next prime is 20112119. The reversal of 20112107 is 70121102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20112107 - 2¹⁰ = 20111083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20112091 and 20112100.

It is not a weakly prime, because it can be changed into another prime (20112007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056053 + 10056054.

It is an arithmetic number, because the mean of its divisors is an integer number (10056054).

Almost surely, 2^20112107 is an apocalyptic number.

20112107 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112107 is an equidigital number, since it uses as much as digits as its factorization.

20112107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 20112107 is about 4484.6523834072. The cubic root of 20112107 is about 271.9479923273.

Adding to 20112107 its reverse (70121102), we get a palindrome (90233209).

The spelling of 20112107 in words is "twenty million, one hundred twelve thousand, one hundred seven".