1121200020973 has 2 divisors, whose sum is σ = 1121200020974. Its totient is φ = 1121200020972.

The previous prime is 1121200020959. The next prime is 1121200021031. The reversal of 1121200020973 is 3790200021211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 819845135209 + 301354885764 = 905453^2 + 548958^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121200020973 - 2⁹ = 1121200020461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121200027973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560600010486 + 560600010487.

It is an arithmetic number, because the mean of its divisors is an integer number (560600010487).

Almost surely, 2^{1121200020973} is an apocalyptic number.

It is an amenable number.

1121200020973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121200020973 is an equidigital number, since it uses as much as digits as its factorization.

1121200020973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The spelling of 1121200020973 in words is "one trillion, one hundred twenty-one billion, two hundred million, twenty thousand, nine hundred seventy-three".