2002121097 has 8 divisors (see below), whose sum is σ = 2741643456. Its totient is φ = 1298673072.

The previous prime is 2002121071. The next prime is 2002121129. The reversal of 2002121097 is 7901212002.

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

It is not a de Polignac number, because 2002121097 - 2⁷ = 2002120969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2002121027) 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, 9018453 + ... + 9018674.

It is an arithmetic number, because the mean of its divisors is an integer number (342705432).

Almost surely, 2^2002121097 is an apocalyptic number.

It is an amenable number.

2002121097 is a deficient number, since it is larger than the sum of its proper divisors (739522359).

2002121097 is a wasteful number, since it uses less digits than its factorization.

2002121097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18037167.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 2002121097 is about 44745.0678511051. The cubic root of 2002121097 is about 1260.3662949905.

Adding to 2002121097 its reverse (7901212002), we get a palindrome (9903333099).

The spelling of 2002121097 in words is "two billion, two million, one hundred twenty-one thousand, ninety-seven".