20112003011 has 2 divisors, whose sum is σ = 20112003012. Its totient is φ = 20112003010.

The previous prime is 20112002971. The next prime is 20112003049. The reversal of 20112003011 is 11030021102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20112003011 - 2¹⁸ = 20111740867 is a prime.

It is a super-2 number, since 2×20112003011² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 20112002983 and 20112003001.

It is not a weakly prime, because it can be changed into another prime (20112003811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056001505 + 10056001506.

It is an arithmetic number, because the mean of its divisors is an integer number (10056001506).

Almost surely, 2^20112003011 is an apocalyptic number.

20112003011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112003011 is an equidigital number, since it uses as much as digits as its factorization.

20112003011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20112003011 its reverse (11030021102), we get a palindrome (31142024113).

The spelling of 20112003011 in words is "twenty billion, one hundred twelve million, three thousand, eleven".