1073105377021 has 2 divisors, whose sum is σ = 1073105377022. Its totient is φ = 1073105377020.

The previous prime is 1073105376997. The next prime is 1073105377027. The reversal of 1073105377021 is 1207735013701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1055612404900 + 17492972121 = 1027430^2 + 132261^2 .

It is a cyclic number.

It is not a de Polignac number, because 1073105377021 - 2⁵ = 1073105376989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1073105377027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536552688510 + 536552688511.

It is an arithmetic number, because the mean of its divisors is an integer number (536552688511).

Almost surely, 2^{1073105377021} is an apocalyptic number.

It is an amenable number.

1073105377021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1073105377021 is an equidigital number, since it uses as much as digits as its factorization.

1073105377021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30870, while the sum is 37.

The spelling of 1073105377021 in words is "one trillion, seventy-three billion, one hundred five million, three hundred seventy-seven thousand, twenty-one".