30102121229 has 2 divisors, whose sum is σ = 30102121230. Its totient is φ = 30102121228.

The previous prime is 30102121207. The next prime is 30102121237. The reversal of 30102121229 is 92212120103.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30038089225 + 64032004 = 173315^2 + 8002^2 .

It is a cyclic number.

It is not a de Polignac number, because 30102121229 - 2¹⁶ = 30102055693 is a prime.

It is a super-2 number, since 2×30102121229² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30102121129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051060614 + 15051060615.

It is an arithmetic number, because the mean of its divisors is an integer number (15051060615).

Almost surely, 2^30102121229 is an apocalyptic number.

It is an amenable number.

30102121229 is a deficient number, since it is larger than the sum of its proper divisors (1).

30102121229 is an equidigital number, since it uses as much as digits as its factorization.

30102121229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 30102121229 in words is "thirty billion, one hundred two million, one hundred twenty-one thousand, two hundred twenty-nine".