1020021030010 has 8 divisors (see below), whose sum is σ = 1836037854036. Its totient is φ = 408008412000.

The previous prime is 1020021029999. The next prime is 1020021030023. The reversal of 1020021030010 is 100301200201.

It can be written as a sum of positive squares in 2 ways, for example, as 961190042409 + 58830987601 = 980403^2 + 242551^2 .

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

It is a super-2 number, since 2×1020021030010² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 102002103001 = 1020021030010 / (1 + 0 + 2 + 0 + 0 + 2 + 1 + 0 + 3 + 0 + 0 + 1 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51001051491 + ... + 51001051510.

Almost surely, 2^{1020021030010} is an apocalyptic number.

1020021030010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020021030010 is a deficient number, since it is larger than the sum of its proper divisors (816016824026).

1020021030010 is a wasteful number, since it uses less digits than its factorization.

1020021030010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102002103008.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1020021030010 its reverse (100301200201), we get a palindrome (1120322230211).

The spelling of 1020021030010 in words is "one trillion, twenty billion, twenty-one million, thirty thousand, ten".