10101002002 has 24 divisors (see below), whose sum is σ = 18981006156. Its totient is φ = 3996000288.

The previous prime is 10101001973. The next prime is 10101002027. The reversal of 10101002002 is 20020010101.

It can be written as a sum of positive squares in 2 ways, for example, as 9354564961 + 746437041 = 96719^2 + 27321^2 .

It is a Harshad number since it is a multiple of its sum of digits (7).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3963013 + ... + 3965560.

Almost surely, 2^10101002002 is an apocalyptic number.

10101002002 is a deficient number, since it is larger than the sum of its proper divisors (8880004154).

10101002002 is a wasteful number, since it uses less digits than its factorization.

10101002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7928602 (or 7928595 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 10101002002 its reverse (20020010101), we get a palindrome (30121012103).

The spelling of 10101002002 in words is "ten billion, one hundred one million, two thousand, two".