2001211107 has 48 divisors (see below), whose sum is σ = 3282499584. Its totient is φ = 1079568000.

The previous prime is 2001211097. The next prime is 2001211109. The reversal of 2001211107 is 7011121002.

It is not a de Polignac number, because 2001211107 - 2¹¹ = 2001209059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001211109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 181482 + ... + 192192.

It is an arithmetic number, because the mean of its divisors is an integer number (68385408).

Almost surely, 2^2001211107 is an apocalyptic number.

2001211107 is a deficient number, since it is larger than the sum of its proper divisors (1281288477).

2001211107 is a wasteful number, since it uses less digits than its factorization.

2001211107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10800 (or 10793 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 15.

The square root of 2001211107 is about 44734.8980886287. The cubic root of 2001211107 is about 1260.1753151119.

Adding to 2001211107 its reverse (7011121002), we get a palindrome (9012332109).

The spelling of 2001211107 in words is "two billion, one million, two hundred eleven thousand, one hundred seven".