2111211221033 has 2 divisors, whose sum is σ = 2111211221034. Its totient is φ = 2111211221032.

The previous prime is 2111211221011. The next prime is 2111211221059. The reversal of 2111211221033 is 3301221121112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1945779487744 + 165431733289 = 1394912^2 + 406733^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111211221033 - 2¹² = 2111211216937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2111211220996 and 2111211221014.

It is not a weakly prime, because it can be changed into another prime (2111211221003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055605610516 + 1055605610517.

It is an arithmetic number, because the mean of its divisors is an integer number (1055605610517).

Almost surely, 2^{2111211221033} is an apocalyptic number.

It is an amenable number.

2111211221033 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111211221033 is an equidigital number, since it uses as much as digits as its factorization.

2111211221033 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 20.

Adding to 2111211221033 its reverse (3301221121112), we get a palindrome (5412432342145).

The spelling of 2111211221033 in words is "two trillion, one hundred eleven billion, two hundred eleven million, two hundred twenty-one thousand, thirty-three".