10021001020210 has 16 divisors (see below), whose sum is σ = 18069502728600. Its totient is φ = 4001355765376.

The previous prime is 10021001020181. The next prime is 10021001020229. The reversal of 10021001020210 is 1202010012001.

It can be written as a sum of positive squares in 4 ways, for example, as 6885633154401 + 3135367865809 = 2624049^2 + 1770697^2 .

It is a super-2 number, since 2×10021001020210² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 880574365 + ... + 880585744.

Almost surely, 2^{10021001020210} is an apocalyptic number.

10021001020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10021001020210 is a deficient number, since it is larger than the sum of its proper divisors (8048501708390).

10021001020210 is a wasteful number, since it uses less digits than its factorization.

10021001020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761160685.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10021001020210 its reverse (1202010012001), we get a palindrome (11223011032211).

The spelling of 10021001020210 in words is "ten trillion, twenty-one billion, one million, twenty thousand, two hundred ten".