2002111200997 has 2 divisors, whose sum is σ = 2002111200998. Its totient is φ = 2002111200996.

The previous prime is 2002111200983. The next prime is 2002111201063. The reversal of 2002111200997 is 7990021112002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1332637051201 + 669474149796 = 1154399^2 + 818214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002111200997 is a prime.

It is a super-2 number, since 2×2002111200997² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002111200967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001055600498 + 1001055600499.

It is an arithmetic number, because the mean of its divisors is an integer number (1001055600499).

Almost surely, 2^{2002111200997} is an apocalyptic number.

It is an amenable number.

2002111200997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002111200997 is an equidigital number, since it uses as much as digits as its factorization.

2002111200997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

Adding to 2002111200997 its reverse (7990021112002), we get a palindrome (9992132312999).

The spelling of 2002111200997 in words is "two trillion, two billion, one hundred eleven million, two hundred thousand, nine hundred ninety-seven".