100021110100121 has 8 divisors (see below), whose sum is σ = 114335579812224. Its totient is φ = 85713075312480.

The previous prime is 100021110100111. The next prime is 100021110100123. The reversal of 100021110100121 is 121001011120001.

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

It is not a de Polignac number, because 100021110100121 - 2¹⁴ = 100021110083737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100021110100123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1608697805 + ... + 1608759978.

It is an arithmetic number, because the mean of its divisors is an integer number (14291947476528).

Almost surely, 2^{100021110100121} is an apocalyptic number.

It is an amenable number.

100021110100121 is a deficient number, since it is larger than the sum of its proper divisors (14314469712103).

100021110100121 is an equidigital number, since it uses as much as digits as its factorization.

100021110100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217462231.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100021110100121 its reverse (121001011120001), we get a palindrome (221022121220122).

The spelling of 100021110100121 in words is "one hundred trillion, twenty-one billion, one hundred ten million, one hundred thousand, one hundred twenty-one".