2002021102010 has 24 divisors (see below), whose sum is σ = 3655108405908. Its totient is φ = 789529428800.

The previous prime is 2002021101953. The next prime is 2002021102013. The reversal of 2002021102010 is 102011202002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1994481132121 + 7539969889 = 1412261^2 + 86833^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2002021101982 and 2002021102000.

It is not an unprimeable number, because it can be changed into a prime (2002021102013) 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 11 ways as a sum of consecutive naturals, for example, 19806971 + ... + 19907790.

Almost surely, 2^{2002021102010} is an apocalyptic number.

2002021102010 is a deficient number, since it is larger than the sum of its proper divisors (1653087303898).

2002021102010 is an equidigital number, since it uses as much as digits as its factorization.

2002021102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39714910 (or 39714839 counting only the distinct ones).

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

Adding to 2002021102010 its reverse (102011202002), we get a palindrome (2104032304012).

The spelling of 2002021102010 in words is "two trillion, two billion, twenty-one million, one hundred two thousand, ten".