2002021021010 has 16 divisors (see below), whose sum is σ = 3603721487616. Its totient is φ = 800789819568.

The previous prime is 2002021020983. The next prime is 2002021021069. The reversal of 2002021021010 is 101201202002.

It is a happy number.

It is a super-2 number, since 2×2002021021010² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2002021020982 and 2002021021000.

It is an unprimeable number.

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, 1866992 + ... + 2736731.

It is an arithmetic number, because the mean of its divisors is an integer number (225232592976).

Almost surely, 2^{2002021021010} is an apocalyptic number.

2002021021010 is a deficient number, since it is larger than the sum of its proper divisors (1601700466606).

2002021021010 is a wasteful number, since it uses less digits than its factorization.

2002021021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4647217.

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

Adding to 2002021021010 its reverse (101201202002), we get a palindrome (2103222223012).

The spelling of 2002021021010 in words is "two trillion, two billion, twenty-one million, twenty-one thousand, ten".