20211032011 has 2 divisors, whose sum is σ = 20211032012. Its totient is φ = 20211032010.

The previous prime is 20211031949. The next prime is 20211032047. The reversal of 20211032011 is 11023011202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20211032011 - 2¹¹ = 20211029963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20211031982 and 20211032000.

It is not a weakly prime, because it can be changed into another prime (20211032081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105516005 + 10105516006.

It is an arithmetic number, because the mean of its divisors is an integer number (10105516006).

Almost surely, 2^20211032011 is an apocalyptic number.

20211032011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211032011 is an equidigital number, since it uses as much as digits as its factorization.

20211032011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20211032011 its reverse (11023011202), we get a palindrome (31234043213).

The spelling of 20211032011 in words is "twenty billion, two hundred eleven million, thirty-two thousand, eleven".