10001021010 has 64 divisors (see below), whose sum is σ = 24381492480. Its totient is φ = 2625132800.

The previous prime is 10001020999. The next prime is 10001021039. The reversal of 10001021010 is 1012010001.

It is a super-2 number, since 2×10001021010² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a self number, because there is not a number n which added to its sum of digits gives 10001021010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 514651 + ... + 533729.

It is an arithmetic number, because the mean of its divisors is an integer number (380960820).

Almost surely, 2^10001021010 is an apocalyptic number.

10001021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10001021010 is an abundant number, since it is smaller than the sum of its proper divisors (14380471470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10001021010 is a wasteful number, since it uses less digits than its factorization.

10001021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19363.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 10001021010 its reverse (1012010001), we get a palindrome (11013031011).

The spelling of 10001021010 in words is "ten billion, one million, twenty-one thousand, ten".