121011010973 has 2 divisors, whose sum is σ = 121011010974. Its totient is φ = 121011010972.

The previous prime is 121011010957. The next prime is 121011011003. The reversal of 121011010973 is 379010110121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98092987204 + 22918023769 = 313198^2 + 151387^2 .

It is a cyclic number.

It is not a de Polignac number, because 121011010973 - 2⁴ = 121011010957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121011010933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505505486 + 60505505487.

It is an arithmetic number, because the mean of its divisors is an integer number (60505505487).

Almost surely, 2^121011010973 is an apocalyptic number.

It is an amenable number.

121011010973 is a deficient number, since it is larger than the sum of its proper divisors (1).

121011010973 is an equidigital number, since it uses as much as digits as its factorization.

121011010973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 26.

The spelling of 121011010973 in words is "one hundred twenty-one billion, eleven million, ten thousand, nine hundred seventy-three".