33210030121 has 2 divisors, whose sum is σ = 33210030122. Its totient is φ = 33210030120.

The previous prime is 33210030059. The next prime is 33210030149. The reversal of 33210030121 is 12103001233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21986958400 + 11223071721 = 148280^2 + 105939^2 .

It is a cyclic number.

It is not a de Polignac number, because 33210030121 - 2⁹ = 33210029609 is a prime.

It is a super-2 number, since 2×33210030121² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33210030095 and 33210030104.

It is not a weakly prime, because it can be changed into another prime (33210030221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16605015060 + 16605015061.

It is an arithmetic number, because the mean of its divisors is an integer number (16605015061).

Almost surely, 2^33210030121 is an apocalyptic number.

It is an amenable number.

33210030121 is a deficient number, since it is larger than the sum of its proper divisors (1).

33210030121 is an equidigital number, since it uses as much as digits as its factorization.

33210030121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 33210030121 its reverse (12103001233), we get a palindrome (45313031354).

The spelling of 33210030121 in words is "thirty-three billion, two hundred ten million, thirty thousand, one hundred twenty-one".