20210233222211 has 2 divisors, whose sum is σ = 20210233222212. Its totient is φ = 20210233222210.

The previous prime is 20210233222183. The next prime is 20210233222219. The reversal of 20210233222211 is 11222233201202.

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-20210233222211 is a prime.

It is a super-2 number, since 2×20210233222211² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20210233222219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105116611105 + 10105116611106.

It is an arithmetic number, because the mean of its divisors is an integer number (10105116611106).

Almost surely, 2^{20210233222211} is an apocalyptic number.

20210233222211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20210233222211 is an equidigital number, since it uses as much as digits as its factorization.

20210233222211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20210233222211 its reverse (11222233201202), we get a palindrome (31432466423413).

The spelling of 20210233222211 in words is "twenty trillion, two hundred ten billion, two hundred thirty-three million, two hundred twenty-two thousand, two hundred eleven".