1202101999997 has 2 divisors, whose sum is σ = 1202101999998. Its totient is φ = 1202101999996.

The previous prime is 1202101999951. The next prime is 1202101999999. The reversal of 1202101999997 is 7999991012021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 648973636921 + 553128363076 = 805589^2 + 743726^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202101999997 - 2¹⁰ = 1202101998973 is a prime.

Together with 1202101999999, 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 (1202101999999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601050999998 + 601050999999.

It is an arithmetic number, because the mean of its divisors is an integer number (601050999999).

Almost surely, 2^{1202101999997} is an apocalyptic number.

It is an amenable number.

1202101999997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202101999997 is an equidigital number, since it uses as much as digits as its factorization.

1202101999997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1653372, while the sum is 59.

The spelling of 1202101999997 in words is "one trillion, two hundred two billion, one hundred one million, nine hundred ninety-nine thousand, nine hundred ninety-seven".