2002212101 has 8 divisors (see below), whose sum is σ = 2008142304. Its totient is φ = 1996291440.

The previous prime is 2002212073. The next prime is 2002212109. The reversal of 2002212101 is 1012122002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002212101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002212109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657755 + ... + 660791.

It is an arithmetic number, because the mean of its divisors is an integer number (251017788).

Almost surely, 2^2002212101 is an apocalyptic number.

It is an amenable number.

2002212101 is a deficient number, since it is larger than the sum of its proper divisors (5930203).

2002212101 is a wasteful number, since it uses less digits than its factorization.

2002212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4771.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2002212101 is about 44746.0847560991. The cubic root of 2002212101 is about 1260.3853908445.

Adding to 2002212101 its reverse (1012122002), we get a palindrome (3014334103).

Subtracting from 2002212101 its reverse (1012122002), we obtain a palindrome (990090099).

It can be divided in two parts, 20022 and 12101, that added together give a palindrome (32123).

The spelling of 2002212101 in words is "two billion, two million, two hundred twelve thousand, one hundred one".