20000002111101 has 12 divisors (see below), whose sum is σ = 28965115932480. Its totient is φ = 13298154435720.

The previous prime is 20000002111091. The next prime is 20000002111151. The reversal of 20000002111101 is 10111120000002.

It is a happy number.

It is not a de Polignac number, because 20000002111101 - 2¹³ = 20000002102909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000002111151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2931688485 + ... + 2931695306.

It is an arithmetic number, because the mean of its divisors is an integer number (2413759661040).

Almost surely, 2^{20000002111101} is an apocalyptic number.

It is an amenable number.

20000002111101 is a deficient number, since it is larger than the sum of its proper divisors (8965113821379).

20000002111101 is a wasteful number, since it uses less digits than its factorization.

20000002111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5863384176 (or 5863384173 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20000002111101 its reverse (10111120000002), we get a palindrome (30111122111103).

The spelling of 20000002111101 in words is "twenty trillion, two million, one hundred eleven thousand, one hundred one".