102010202001 has 6 divisors (see below), whose sum is σ = 147348069570. Its totient is φ = 68006801328.

The previous prime is 102010201961. The next prime is 102010202027. The reversal of 102010202001 is 100202010201.

It can be written as a sum of positive squares in only one way, i.e., 91809000000 + 10201202001 = 303000^2 + 101001^2 .

It is not a de Polignac number, because 102010202001 - 2⁷ = 102010201873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 11334466889 = 102010202001 / (1 + 0 + 2 + 0 + 1 + 0 + 2 + 0 + 2 + 0 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (102010202201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5667233436 + ... + 5667233453.

It is an arithmetic number, because the mean of its divisors is an integer number (24558011595).

Almost surely, 2^102010202001 is an apocalyptic number.

It is an amenable number.

102010202001 is a deficient number, since it is larger than the sum of its proper divisors (45337867569).

102010202001 is a wasteful number, since it uses less digits than its factorization.

102010202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11334466895 (or 11334466892 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 102010202001 its reverse (100202010201), we get a palindrome (202212212202).

The spelling of 102010202001 in words is "one hundred two billion, ten million, two hundred two thousand, one".