2002111001244 has 36 divisors (see below), whose sum is σ = 5060935516000. Its totient is φ = 667364555520.

The previous prime is 2002111001243. The next prime is 2002111001279. The reversal of 2002111001244 is 4421001112002.

2002111001244 is a `hidden beast` number, since 200 + 211 + 10 + 0 + 1 + 244 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2002111001244² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002111001243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6777132 + ... + 7066380.

Almost surely, 2^{2002111001244} is an apocalyptic number.

It is an amenable number.

2002111001244 is an abundant number, since it is smaller than the sum of its proper divisors (3058824514756).

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

2002111001244 is a wasteful number, since it uses less digits than its factorization.

2002111001244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481530 (or 481525 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2002111001244 its reverse (4421001112002), we get a palindrome (6423112113246).

The spelling of 2002111001244 in words is "two trillion, two billion, one hundred eleven million, one thousand, two hundred forty-four".