1202110322009 has 2 divisors, whose sum is σ = 1202110322010. Its totient is φ = 1202110322008.

The previous prime is 1202110321987. The next prime is 1202110322027. The reversal of 1202110322009 is 9002230112021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1201994286025 + 116035984 = 1096355^2 + 10772^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202110322009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202110342009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601055161004 + 601055161005.

It is an arithmetic number, because the mean of its divisors is an integer number (601055161005).

Almost surely, 2^{1202110322009} is an apocalyptic number.

It is an amenable number.

1202110322009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202110322009 is an equidigital number, since it uses as much as digits as its factorization.

1202110322009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 1202110322009 in words is "one trillion, two hundred two billion, one hundred ten million, three hundred twenty-two thousand, nine".