2002001121047 has 2 divisors, whose sum is σ = 2002001121048. Its totient is φ = 2002001121046.

The previous prime is 2002001121011. The next prime is 2002001121149. The reversal of 2002001121047 is 7401211002002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2002001121047 - 2³⁶ = 1933281644311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002001120047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001000560523 + 1001000560524.

It is an arithmetic number, because the mean of its divisors is an integer number (1001000560524).

Almost surely, 2^{2002001121047} is an apocalyptic number.

2002001121047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002001121047 is an equidigital number, since it uses as much as digits as its factorization.

2002001121047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 2002001121047 its reverse (7401211002002), we get a palindrome (9403212123049).

The spelling of 2002001121047 in words is "two trillion, two billion, one million, one hundred twenty-one thousand, forty-seven".