100030021101 has 6 divisors (see below), whose sum is σ = 144487808270. Its totient is φ = 66686680728.

The previous prime is 100030021097. The next prime is 100030021109. The reversal of 100030021101 is 101120030001.

It can be written as a sum of positive squares in only one way, i.e., 55446120900 + 44583900201 = 235470^2 + 211149^2 .

It is not a de Polignac number, because 100030021101 - 2² = 100030021097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 11114446789 = 100030021101 / (1 + 0 + 0 + 0 + 3 + 0 + 0 + 2 + 1 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100030021109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5557223386 + ... + 5557223403.

Almost surely, 2^100030021101 is an apocalyptic number.

It is an amenable number.

100030021101 is a deficient number, since it is larger than the sum of its proper divisors (44457787169).

100030021101 is a wasteful number, since it uses less digits than its factorization.

100030021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11114446795 (or 11114446792 counting only the distinct ones).

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

Adding to 100030021101 its reverse (101120030001), we get a palindrome (201150051102).

The spelling of 100030021101 in words is "one hundred billion, thirty million, twenty-one thousand, one hundred one".