210221112011033 has 2 divisors, whose sum is σ = 210221112011034. Its totient is φ = 210221112011032.

The previous prime is 210221112010937. The next prime is 210221112011039. The reversal of 210221112011033 is 330110211122012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209559121488649 + 661990522384 = 14476157^2 + 813628^2 .

It is a cyclic number.

It is not a de Polignac number, because 210221112011033 - 2²² = 210221107816729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210221112010996 and 210221112011014.

It is not a weakly prime, because it can be changed into another prime (210221112011039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105110556005516 + 105110556005517.

It is an arithmetic number, because the mean of its divisors is an integer number (105110556005517).

Almost surely, 2^{210221112011033} is an apocalyptic number.

It is an amenable number.

210221112011033 is a deficient number, since it is larger than the sum of its proper divisors (1).

210221112011033 is an equidigital number, since it uses as much as digits as its factorization.

210221112011033 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 210221112011033 its reverse (330110211122012), we get a palindrome (540331323133045).

The spelling of 210221112011033 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred twelve million, eleven thousand, thirty-three".