1210001102309 has 2 divisors, whose sum is σ = 1210001102310. Its totient is φ = 1210001102308.

The previous prime is 1210001102249. The next prime is 1210001102311. The reversal of 1210001102309 is 9032011000121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 679948668100 + 530052434209 = 824590^2 + 728047^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210001102309 - 2³² = 1205706135013 is a prime.

Together with 1210001102311, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210001107309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605000551154 + 605000551155.

It is an arithmetic number, because the mean of its divisors is an integer number (605000551155).

Almost surely, 2^{1210001102309} is an apocalyptic number.

It is an amenable number.

1210001102309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210001102309 is an equidigital number, since it uses as much as digits as its factorization.

1210001102309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 1210001102309 in words is "one trillion, two hundred ten billion, one million, one hundred two thousand, three hundred nine".