102000121229 has 2 divisors, whose sum is σ = 102000121230. Its totient is φ = 102000121228.

The previous prime is 102000121187. The next prime is 102000121319. The reversal of 102000121229 is 922121000201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94555020004 + 7445101225 = 307498^2 + 86285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102000121229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102000121229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102000111229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000060614 + 51000060615.

It is an arithmetic number, because the mean of its divisors is an integer number (51000060615).

Almost surely, 2^102000121229 is an apocalyptic number.

It is an amenable number.

102000121229 is a deficient number, since it is larger than the sum of its proper divisors (1).

102000121229 is an equidigital number, since it uses as much as digits as its factorization.

102000121229 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.

The spelling of 102000121229 in words is "one hundred two billion, one hundred twenty-one thousand, two hundred twenty-nine".