20002010011111 has 8 divisors (see below), whose sum is σ = 21178673491824. Its totient is φ = 18825354825600.

The previous prime is 20002010011099. The next prime is 20002010011127. The reversal of 20002010011111 is 11111001020002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20002010011111 - 2⁴¹ = 17802986755559 is a prime.

It is a super-4 number, since 4×20002010011111⁴ (a number of 54 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002010011211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3286476 + ... + 7127758.

It is an arithmetic number, because the mean of its divisors is an integer number (2647334186478).

Almost surely, 2^{20002010011111} is an apocalyptic number.

20002010011111 is a deficient number, since it is larger than the sum of its proper divisors (1176663480713).

20002010011111 is a wasteful number, since it uses less digits than its factorization.

20002010011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147601.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20002010011111 its reverse (11111001020002), we get a palindrome (31113011031113).

The spelling of 20002010011111 in words is "twenty trillion, two billion, ten million, eleven thousand, one hundred eleven".