929120103220121 has 2 divisors, whose sum is σ = 929120103220122. Its totient is φ = 929120103220120.

The previous prime is 929120103220007. The next prime is 929120103220129. The reversal of 929120103220121 is 121022301021929.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 573359960044096 + 355760143176025 = 23944936^2 + 18861605^2 .

It is an emirp because it is prime and its reverse (121022301021929) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-929120103220121 is a prime.

It is not a weakly prime, because it can be changed into another prime (929120103220129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 464560051610060 + 464560051610061.

It is an arithmetic number, because the mean of its divisors is an integer number (464560051610061).

Almost surely, 2^{929120103220121} is an apocalyptic number.

It is an amenable number.

929120103220121 is a deficient number, since it is larger than the sum of its proper divisors (1).

929120103220121 is an equidigital number, since it uses as much as digits as its factorization.

929120103220121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 929120103220121 in words is "nine hundred twenty-nine trillion, one hundred twenty billion, one hundred three million, two hundred twenty thousand, one hundred twenty-one".