2002102002157 has 2 divisors, whose sum is σ = 2002102002158. Its totient is φ = 2002102002156.

The previous prime is 2002102002097. The next prime is 2002102002163. The reversal of 2002102002157 is 7512002012002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1935676733796 + 66425268361 = 1391286^2 + 257731^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002102002157 - 2⁷ = 2002102002029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002102003157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001051001078 + 1001051001079.

It is an arithmetic number, because the mean of its divisors is an integer number (1001051001079).

Almost surely, 2^{2002102002157} is an apocalyptic number.

It is an amenable number.

2002102002157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002102002157 is an equidigital number, since it uses as much as digits as its factorization.

2002102002157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 22.

Adding to 2002102002157 its reverse (7512002012002), we get a palindrome (9514104014159).

The spelling of 2002102002157 in words is "two trillion, two billion, one hundred two million, two thousand, one hundred fifty-seven".