10021001010 has 16 divisors (see below), whose sum is σ = 24050402496. Its totient is φ = 2672266928.

The previous prime is 10021001009. The next prime is 10021001017. The reversal of 10021001010 is 1010012001.

It is a super-2 number, since 2×10021001010² (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 10021001010.

It is not an unprimeable number, because it can be changed into a prime (10021001017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167016654 + ... + 167016713.

It is an arithmetic number, because the mean of its divisors is an integer number (1503150156).

Almost surely, 2^10021001010 is an apocalyptic number.

10021001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10021001010 is an abundant number, since it is smaller than the sum of its proper divisors (14029401486).

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

10021001010 is a wasteful number, since it uses less digits than its factorization.

10021001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334033377.

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

Adding to 10021001010 its reverse (1010012001), we get a palindrome (11031013011).

The spelling of 10021001010 in words is "ten billion, twenty-one million, one thousand, ten".