2001220101110 has 64 divisors (see below), whose sum is σ = 3664642176000. Its totient is φ = 786737580672.

The previous prime is 2001220101103. The next prime is 2001220101119. The reversal of 2001220101110 is 111010221002.

It is a junction number, because it is equal to n+sod(n) for n = 2001220101091 and 2001220101100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001220101119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209788721 + ... + 209798259.

It is an arithmetic number, because the mean of its divisors is an integer number (57260034000).

Almost surely, 2^{2001220101110} is an apocalyptic number.

2001220101110 is a deficient number, since it is larger than the sum of its proper divisors (1663422074890).

2001220101110 is a wasteful number, since it uses less digits than its factorization.

2001220101110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11165.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2001220101110 its reverse (111010221002), we get a palindrome (2112230322112).

The spelling of 2001220101110 in words is "two trillion, one billion, two hundred twenty million, one hundred one thousand, one hundred ten".