20110002311011 has 2 divisors, whose sum is σ = 20110002311012. Its totient is φ = 20110002311010.

The previous prime is 20110002310961. The next prime is 20110002311027. The reversal of 20110002311011 is 11011320001102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20110002311011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20110002310982 and 20110002311000.

It is not a weakly prime, because it can be changed into another prime (20110002311081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055001155505 + 10055001155506.

It is an arithmetic number, because the mean of its divisors is an integer number (10055001155506).

Almost surely, 2^{20110002311011} is an apocalyptic number.

20110002311011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110002311011 is an equidigital number, since it uses as much as digits as its factorization.

20110002311011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 20110002311011 its reverse (11011320001102), we get a palindrome (31121322312113).

The spelling of 20110002311011 in words is "twenty trillion, one hundred ten billion, two million, three hundred eleven thousand, eleven".