10002021010 has 8 divisors (see below), whose sum is σ = 18003637836. Its totient is φ = 4000808400.

The previous prime is 10002020957. The next prime is 10002021013. The reversal of 10002021010 is 1012020001.

It can be written as a sum of positive squares in 2 ways, for example, as 9773497321 + 228523689 = 98861^2 + 15117^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 10002020984 and 10002021002.

It is not an unprimeable number, because it can be changed into a prime (10002021013) 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, 500101041 + ... + 500101060.

Almost surely, 2^10002021010 is an apocalyptic number.

10002021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10002021010 is a deficient number, since it is larger than the sum of its proper divisors (8001616826).

10002021010 is a wasteful number, since it uses less digits than its factorization.

10002021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000202108.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 10002021010 its reverse (1012020001), we get a palindrome (11014041011).

The spelling of 10002021010 in words is "ten billion, two million, twenty-one thousand, ten".