2000120001111 has 24 divisors (see below), whose sum is σ = 2929889068704. Its totient is φ = 1314571917120.

The previous prime is 2000120001109. The next prime is 2000120001127. The reversal of 2000120001111 is 1111000210002.

It is a happy number.

It is not a de Polignac number, because 2000120001111 - 2¹ = 2000120001109 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 2000120001093 and 2000120001102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000120001151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16782745 + ... + 16901501.

It is an arithmetic number, because the mean of its divisors is an integer number (122078711196).

Almost surely, 2^{2000120001111} is an apocalyptic number.

2000120001111 is a deficient number, since it is larger than the sum of its proper divisors (929769067593).

2000120001111 is a wasteful number, since it uses less digits than its factorization.

2000120001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145191 (or 145188 counting only the distinct ones).

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

Adding to 2000120001111 its reverse (1111000210002), we get a palindrome (3111120211113).

The spelling of 2000120001111 in words is "two trillion, one hundred twenty million, one thousand, one hundred eleven".