100010421730 has 8 divisors (see below), whose sum is σ = 180018759132. Its totient is φ = 40004168688.

The previous prime is 100010421713. The next prime is 100010421751. The reversal of 100010421730 is 37124010001.

It can be written as a sum of positive squares in 2 ways, for example, as 91480236849 + 8530184881 = 302457^2 + 92359^2 .

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

It is a super-2 number, since 2×100010421730² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100010421698 and 100010421707.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000521077 + ... + 5000521096.

Almost surely, 2^100010421730 is an apocalyptic number.

100010421730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100010421730 is a deficient number, since it is larger than the sum of its proper divisors (80008337402).

100010421730 is a wasteful number, since it uses less digits than its factorization.

100010421730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001042180.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 100010421730 its reverse (37124010001), we get a palindrome (137134431731).

The spelling of 100010421730 in words is "one hundred billion, ten million, four hundred twenty-one thousand, seven hundred thirty".