20001122102011 has 2 divisors, whose sum is σ = 20001122102012. Its totient is φ = 20001122102010.

The previous prime is 20001122101997. The next prime is 20001122102083. The reversal of 20001122102011 is 11020122110002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20001122102011 - 2²³ = 20001113713403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20001122101982 and 20001122102000.

It is not a weakly prime, because it can be changed into another prime (20001120102011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000561051005 + 10000561051006.

It is an arithmetic number, because the mean of its divisors is an integer number (10000561051006).

Almost surely, 2^{20001122102011} is an apocalyptic number.

20001122102011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001122102011 is an equidigital number, since it uses as much as digits as its factorization.

20001122102011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20001122102011 its reverse (11020122110002), we get a palindrome (31021244212013).

The spelling of 20001122102011 in words is "twenty trillion, one billion, one hundred twenty-two million, one hundred two thousand, eleven".