2001122211110 has 32 divisors (see below), whose sum is σ = 3939736154112. Its totient is φ = 725780838880.

The previous prime is 2001122211091. The next prime is 2001122211113. The reversal of 2001122211110 is 111122211002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001122211113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23707244 + ... + 23791503.

It is an arithmetic number, because the mean of its divisors is an integer number (123116754816).

Almost surely, 2^{2001122211110} is an apocalyptic number.

2001122211110 is a deficient number, since it is larger than the sum of its proper divisors (1938613943002).

2001122211110 is a wasteful number, since it uses less digits than its factorization.

2001122211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47499148.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2001122211110 its reverse (111122211002), we get a palindrome (2112244422112).

The spelling of 2001122211110 in words is "two trillion, one billion, one hundred twenty-two million, two hundred eleven thousand, one hundred ten".