20021110002233 has 2 divisors, whose sum is σ = 20021110002234. Its totient is φ = 20021110002232.

The previous prime is 20021110002199. The next prime is 20021110002239. The reversal of 20021110002233 is 33220001112002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18589825574464 + 1431284427769 = 4311592^2 + 1196363^2 .

It is a cyclic number.

It is not a de Polignac number, because 20021110002233 - 2⁶ = 20021110002169 is a prime.

It is not a weakly prime, because it can be changed into another prime (20021110002239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010555001116 + 10010555001117.

It is an arithmetic number, because the mean of its divisors is an integer number (10010555001117).

Almost surely, 2^{20021110002233} is an apocalyptic number.

It is an amenable number.

20021110002233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20021110002233 is an equidigital number, since it uses as much as digits as its factorization.

20021110002233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20021110002233 its reverse (33220001112002), we get a palindrome (53241111114235).

The spelling of 20021110002233 in words is "twenty trillion, twenty-one billion, one hundred ten million, two thousand, two hundred thirty-three".