1102012120973 has 2 divisors, whose sum is σ = 1102012120974. Its totient is φ = 1102012120972.

The previous prime is 1102012120939. The next prime is 1102012121039. The reversal of 1102012120973 is 3790212102011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 928567358884 + 173444762089 = 963622^2 + 416467^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102012120973 - 2²⁰ = 1102011072397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102012140973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551006060486 + 551006060487.

It is an arithmetic number, because the mean of its divisors is an integer number (551006060487).

Almost surely, 2^{1102012120973} is an apocalyptic number.

It is an amenable number.

1102012120973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102012120973 is an equidigital number, since it uses as much as digits as its factorization.

1102012120973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

Adding to 1102012120973 its reverse (3790212102011), we get a palindrome (4892224222984).

The spelling of 1102012120973 in words is "one trillion, one hundred two billion, twelve million, one hundred twenty thousand, nine hundred seventy-three".