2002122120010 has 8 divisors (see below), whose sum is σ = 3603819816036. Its totient is φ = 800848848000.

The previous prime is 2002122120007. The next prime is 2002122120017. The reversal of 2002122120010 is 100212212002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2001888244161 + 233875849 = 1414881^2 + 15293^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2002122120017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100106105991 + ... + 100106106010.

Almost surely, 2^{2002122120010} is an apocalyptic number.

2002122120010 is a deficient number, since it is larger than the sum of its proper divisors (1601697696026).

2002122120010 is a wasteful number, since it uses less digits than its factorization.

2002122120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200212212008.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2002122120010 its reverse (100212212002), we get a palindrome (2102334332012).

The spelling of 2002122120010 in words is "two trillion, two billion, one hundred twenty-two million, one hundred twenty thousand, ten".