102011202001 has 4 divisors (see below), whose sum is σ = 103021214004. Its totient is φ = 101001190000.

The previous prime is 102011201987. The next prime is 102011202037. The reversal of 102011202001 is 100202110201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91581890625 + 10429311376 = 302625^2 + 102124^2 .

It is a cyclic number.

It is not a de Polignac number, because 102011202001 - 2²¹ = 102009104849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102011203001) 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 in 3 ways as a sum of consecutive naturals, for example, 505005850 + ... + 505006051.

It is an arithmetic number, because the mean of its divisors is an integer number (25755303501).

Almost surely, 2^102011202001 is an apocalyptic number.

It is an amenable number.

102011202001 is a deficient number, since it is larger than the sum of its proper divisors (1010012003).

102011202001 is a wasteful number, since it uses less digits than its factorization.

102011202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010012002.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102011202001 its reverse (100202110201), we get a palindrome (202213312202).

The spelling of 102011202001 in words is "one hundred two billion, eleven million, two hundred two thousand, one".