100021310098 has 4 divisors (see below), whose sum is σ = 150031965150. Its totient is φ = 50010655048.

The previous prime is 100021310083. The next prime is 100021310141. The reversal of 100021310098 is 890013120001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 890013120001 = 383 ⋅2323794047.

It can be written as a sum of positive squares in only one way, i.e., 67030763409 + 32990546689 = 258903^2 + 181633^2 .

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 as a sum of consecutive naturals, namely, 25005327523 + ... + 25005327526.

Almost surely, 2^100021310098 is an apocalyptic number.

100021310098 is a deficient number, since it is larger than the sum of its proper divisors (50010655052).

100021310098 is an equidigital number, since it uses as much as digits as its factorization.

100021310098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50010655051.

The product of its (nonzero) digits is 432, while the sum is 25.

Adding to 100021310098 its reverse (890013120001), we get a palindrome (990034430099).

The spelling of 100021310098 in words is "one hundred billion, twenty-one million, three hundred ten thousand, ninety-eight".