2002221101 has 8 divisors (see below), whose sum is σ = 2051784000. Its totient is φ = 1952692960.

The previous prime is 2002221097. The next prime is 2002221113. The reversal of 2002221101 is 1011222002.

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 not a de Polignac number, because 2002221101 - 2² = 2002221097 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 (2002221181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138200 + ... + 151998.

It is an arithmetic number, because the mean of its divisors is an integer number (256473000).

Almost surely, 2^2002221101 is an apocalyptic number.

It is an amenable number.

2002221101 is a deficient number, since it is larger than the sum of its proper divisors (49562899).

2002221101 is a wasteful number, since it uses less digits than its factorization.

2002221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17379.

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

The square root of 2002221101 is about 44746.1853234441. The cubic root of 2002221101 is about 1260.3872793310.

Adding to 2002221101 its reverse (1011222002), we get a palindrome (3013443103).

Subtracting from 2002221101 its reverse (1011222002), we obtain a palindrome (990999099).

The spelling of 2002221101 in words is "two billion, two million, two hundred twenty-one thousand, one hundred one".