2001111111110 has 16 divisors (see below), whose sum is σ = 3602018452032. Its totient is φ = 800440344000.

The previous prime is 2001111111067. The next prime is 2001111111119. The reversal of 2001111111110 is 111111111002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2001111111091 and 2001111111100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001111111119) 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, 2242130 + ... + 3004890.

It is an arithmetic number, because the mean of its divisors is an integer number (225126153252).

Almost surely, 2^{2001111111110} is an apocalyptic number.

2001111111110 is a deficient number, since it is larger than the sum of its proper divisors (1600907340922).

2001111111110 is a wasteful number, since it uses less digits than its factorization.

2001111111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025119.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 2001111111110 its reverse (111111111002), we get a palindrome (2112222222112).

The spelling of 2001111111110 in words is "two trillion, one billion, one hundred eleven million, one hundred eleven thousand, one hundred ten".