2001112002 has 12 divisors (see below), whose sum is σ = 4335742710. Its totient is φ = 667037328.

The previous prime is 2001111991. The next prime is 2001112039. The reversal of 2001112002 is 2002111002.

2001112002 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1629817641 + 371294361 = 40371^2 + 19269^2 .

It is a super-3 number, since 3×2001112002³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55586427 + ... + 55586462.

Almost surely, 2^2001112002 is an apocalyptic number.

2001112002 is an abundant number, since it is smaller than the sum of its proper divisors (2334630708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001112002 is a wasteful number, since it uses less digits than its factorization.

2001112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111172897 (or 111172894 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2001112002 is about 44733.7903826626. The cubic root of 2001112002 is about 1260.1545124196.

Adding to 2001112002 its reverse (2002111002), we get a palindrome (4003223004).

It can be divided in two parts, 2001 and 112002, that added together give a triangular number (114003 = T₄₇₇).

The spelling of 2001112002 in words is "two billion, one million, one hundred twelve thousand, two".