2112423011 has 2 divisors, whose sum is σ = 2112423012. Its totient is φ = 2112423010.

The previous prime is 2112422999. The next prime is 2112423013. The reversal of 2112423011 is 1103242112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112423011 - 2⁶ = 2112422947 is a prime.

It is a super-4 number, since 4×2112423011⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

Together with 2112423013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2112423013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056211505 + 1056211506.

It is an arithmetic number, because the mean of its divisors is an integer number (1056211506).

Almost surely, 2^2112423011 is an apocalyptic number.

2112423011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112423011 is an equidigital number, since it uses as much as digits as its factorization.

2112423011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2112423011 is about 45961.1032395873. The cubic root of 2112423011 is about 1283.0993842539.

Adding to 2112423011 its reverse (1103242112), we get a palindrome (3215665123).

The spelling of 2112423011 in words is "two billion, one hundred twelve million, four hundred twenty-three thousand, eleven".