2001112102 has 16 divisors (see below), whose sum is σ = 3416919552. Its totient is φ = 870048520.

The previous prime is 2001112049. The next prime is 2001112103. The reversal of 2001112102 is 2012111002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001112103) 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, 1976878 + ... + 1977889.

It is an arithmetic number, because the mean of its divisors is an integer number (213557472).

Almost surely, 2^2001112102 is an apocalyptic number.

2001112102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2001112102 is a deficient number, since it is larger than the sum of its proper divisors (1415807450).

2001112102 is a wasteful number, since it uses less digits than its factorization.

2001112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954803.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2001112102 is about 44733.7915003859. The cubic root of 2001112102 is about 1260.1545334105.

Adding to 2001112102 its reverse (2012111002), we get a palindrome (4013223104).

The spelling of 2001112102 in words is "two billion, one million, one hundred twelve thousand, one hundred two".