1120202311909 has 2 divisors, whose sum is σ = 1120202311910. Its totient is φ = 1120202311908.

The previous prime is 1120202311901. The next prime is 1120202311927. The reversal of 1120202311909 is 9091132020211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 771744680100 + 348457631809 = 878490^2 + 590303^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120202311909 - 2³ = 1120202311901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120202311901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560101155954 + 560101155955.

It is an arithmetic number, because the mean of its divisors is an integer number (560101155955).

Almost surely, 2^{1120202311909} is an apocalyptic number.

It is an amenable number.

1120202311909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120202311909 is an equidigital number, since it uses as much as digits as its factorization.

1120202311909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 1120202311909 in words is "one trillion, one hundred twenty billion, two hundred two million, three hundred eleven thousand, nine hundred nine".