100001123010 has 48 divisors (see below), whose sum is σ = 260333476416. Its totient is φ = 26633062944.

The previous prime is 100001123009. The next prime is 100001123011. The reversal of 100001123010 is 10321100001.

It is an interprime number because it is at equal distance from previous prime (100001123009) and next prime (100001123011).

It is a super-2 number, since 2×100001123010² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100001122983 and 100001123001.

It is not an unprimeable number, because it can be changed into a prime (100001123011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 635094 + ... + 776753.

It is an arithmetic number, because the mean of its divisors is an integer number (5423614092).

Almost surely, 2^100001123010 is an apocalyptic number.

100001123010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100001123010 is an abundant number, since it is smaller than the sum of its proper divisors (160332353406).

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

100001123010 is a wasteful number, since it uses less digits than its factorization.

100001123010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412647 (or 1412644 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 100001123010 its reverse (10321100001), we get a palindrome (110322223011).

The spelling of 100001123010 in words is "one hundred billion, one million, one hundred twenty-three thousand, ten".