121201101220973 has 2 divisors, whose sum is σ = 121201101220974. Its totient is φ = 121201101220972.

The previous prime is 121201101220957. The next prime is 121201101221023. The reversal of 121201101220973 is 379022101102121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63254949076804 + 57946152144169 = 7953298^2 + 7612237^2 .

It is a cyclic number.

It is not a de Polignac number, because 121201101220973 - 2⁴ = 121201101220957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121201121220973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600550610486 + 60600550610487.

It is an arithmetic number, because the mean of its divisors is an integer number (60600550610487).

Almost surely, 2^{121201101220973} is an apocalyptic number.

It is an amenable number.

121201101220973 is a deficient number, since it is larger than the sum of its proper divisors (1).

121201101220973 is an equidigital number, since it uses as much as digits as its factorization.

121201101220973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 32.

The spelling of 121201101220973 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred one million, two hundred twenty thousand, nine hundred seventy-three".