2002122099997 has 2 divisors, whose sum is σ = 2002122099998. Its totient is φ = 2002122099996.

The previous prime is 2002122099977. The next prime is 2002122100003. The reversal of 2002122099997 is 7999902212002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1680792974116 + 321329125881 = 1296454^2 + 566859^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002122099997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002122099937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001061049998 + 1001061049999.

It is an arithmetic number, because the mean of its divisors is an integer number (1001061049999).

Almost surely, 2^{2002122099997} is an apocalyptic number.

It is an amenable number.

2002122099997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002122099997 is an equidigital number, since it uses as much as digits as its factorization.

2002122099997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 52.

The spelling of 2002122099997 in words is "two trillion, two billion, one hundred twenty-two million, ninety-nine thousand, nine hundred ninety-seven".