121000020229373 has 2 divisors, whose sum is σ = 121000020229374. Its totient is φ = 121000020229372.

The previous prime is 121000020229331. The next prime is 121000020229391. The reversal of 121000020229373 is 373922020000121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99909680403289 + 21090339826084 = 9995483^2 + 4592422^2 .

It is a cyclic number.

It is not a de Polignac number, because 121000020229373 - 2²⁴ = 121000003452157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121000020229873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500010114686 + 60500010114687.

It is an arithmetic number, because the mean of its divisors is an integer number (60500010114687).

Almost surely, 2^{121000020229373} is an apocalyptic number.

It is an amenable number.

121000020229373 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000020229373 is an equidigital number, since it uses as much as digits as its factorization.

121000020229373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

Adding to 121000020229373 its reverse (373922020000121), we get a palindrome (494922040229494).

The spelling of 121000020229373 in words is "one hundred twenty-one trillion, twenty million, two hundred twenty-nine thousand, three hundred seventy-three".