20010013211 has 2 divisors, whose sum is σ = 20010013212. Its totient is φ = 20010013210.

The previous prime is 20010013159. The next prime is 20010013237. The reversal of 20010013211 is 11231001002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20010013211 - 2³⁴ = 2830144027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20010013192 and 20010013201.

It is not a weakly prime, because it can be changed into another prime (20010013511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005006605 + 10005006606.

It is an arithmetic number, because the mean of its divisors is an integer number (10005006606).

Almost surely, 2^20010013211 is an apocalyptic number.

20010013211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010013211 is an equidigital number, since it uses as much as digits as its factorization.

20010013211 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 11.

Adding to 20010013211 its reverse (11231001002), we get a palindrome (31241014213).

The spelling of 20010013211 in words is "twenty billion, ten million, thirteen thousand, two hundred eleven".