121020010973 has 2 divisors, whose sum is σ = 121020010974. Its totient is φ = 121020010972.

The previous prime is 121020010931. The next prime is 121020010981. The reversal of 121020010973 is 379010020121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102603621124 + 18416389849 = 320318^2 + 135707^2 .

It is a cyclic number.

It is not a de Polignac number, because 121020010973 - 2⁸ = 121020010717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121020010273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60510005486 + 60510005487.

It is an arithmetic number, because the mean of its divisors is an integer number (60510005487).

Almost surely, 2^121020010973 is an apocalyptic number.

It is an amenable number.

121020010973 is a deficient number, since it is larger than the sum of its proper divisors (1).

121020010973 is an equidigital number, since it uses as much as digits as its factorization.

121020010973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The spelling of 121020010973 in words is "one hundred twenty-one billion, twenty million, ten thousand, nine hundred seventy-three".