100001021010 has 64 divisors (see below), whose sum is σ = 261881303040. Its totient is φ = 24237074880.

The previous prime is 100001020969. The next prime is 100001021023. The reversal of 100001021010 is 10120100001.

It is a super-2 number, since 2×100001021010² (a number of 23 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 100001021010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1498209 + ... + 1563531.

It is an arithmetic number, because the mean of its divisors is an integer number (4091895360).

Almost surely, 2^100001021010 is an apocalyptic number.

100001021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100001021010 is an abundant number, since it is smaller than the sum of its proper divisors (161880282030).

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

100001021010 is a wasteful number, since it uses less digits than its factorization.

100001021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69983.

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

Adding to 100001021010 its reverse (10120100001), we get a palindrome (110121121011).

The spelling of 100001021010 in words is "one hundred billion, one million, twenty-one thousand, ten".