20101011093 has 6 divisors (see below), whose sum is σ = 29034793814. Its totient is φ = 13400674056.

The previous prime is 20101011067. The next prime is 20101011101. The reversal of 20101011093 is 39011010102.

It can be written as a sum of positive squares in only one way, i.e., 10539691569 + 9561319524 = 102663^2 + 97782^2 .

It is not a de Polignac number, because 20101011093 - 2⁵ = 20101011061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101011013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1116722830 + ... + 1116722847.

Almost surely, 2^20101011093 is an apocalyptic number.

It is an amenable number.

20101011093 is a deficient number, since it is larger than the sum of its proper divisors (8933782721).

20101011093 is a wasteful number, since it uses less digits than its factorization.

20101011093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233445683 (or 2233445680 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 20101011093 its reverse (39011010102), we get a palindrome (59112021195).

The spelling of 20101011093 in words is "twenty billion, one hundred one million, eleven thousand, ninety-three".