20010111027211 has 2 divisors, whose sum is σ = 20010111027212. Its totient is φ = 20010111027210.

The previous prime is 20010111027173. The next prime is 20010111027223. The reversal of 20010111027211 is 11272011101002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20010111027211 - 2⁷ = 20010111027083 is a prime.

It is a super-2 number, since 2×20010111027211² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20010111027811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005055513605 + 10005055513606.

It is an arithmetic number, because the mean of its divisors is an integer number (10005055513606).

Almost surely, 2^{20010111027211} is an apocalyptic number.

20010111027211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010111027211 is an equidigital number, since it uses as much as digits as its factorization.

20010111027211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 20010111027211 its reverse (11272011101002), we get a palindrome (31282122128213).

The spelling of 20010111027211 in words is "twenty trillion, ten billion, one hundred eleven million, twenty-seven thousand, two hundred eleven".