10202001011 has 4 divisors (see below), whose sum is σ = 10303011024. Its totient is φ = 10100991000.

The previous prime is 10202000993. The next prime is 10202001041. The reversal of 10202001011 is 11010020201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10202001011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10202001011.

It is not an unprimeable number, because it can be changed into a prime (10202001041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50504855 + ... + 50505056.

It is an arithmetic number, because the mean of its divisors is an integer number (2575752756).

Almost surely, 2^10202001011 is an apocalyptic number.

10202001011 is a deficient number, since it is larger than the sum of its proper divisors (101010013).

10202001011 is a wasteful number, since it uses less digits than its factorization.

10202001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101010012.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10202001011 its reverse (11010020201), we get a palindrome (21212021212).

The spelling of 10202001011 in words is "ten billion, two hundred two million, one thousand, eleven".