100121021301 has 12 divisors (see below), whose sum is σ = 155289747552. Its totient is φ = 57212012088.

The previous prime is 100121021293. The next prime is 100121021333. The reversal of 100121021301 is 103120121001.

It is not a de Polignac number, because 100121021301 - 2³ = 100121021293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121021381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340547545 + ... + 340547838.

It is an arithmetic number, because the mean of its divisors is an integer number (12940812296).

Almost surely, 2^100121021301 is an apocalyptic number.

It is an amenable number.

100121021301 is a deficient number, since it is larger than the sum of its proper divisors (55168726251).

100121021301 is an equidigital number, since it uses as much as digits as its factorization.

100121021301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681095400 (or 681095393 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 100121021301 its reverse (103120121001), we get a palindrome (203241142302).

The spelling of 100121021301 in words is "one hundred billion, one hundred twenty-one million, twenty-one thousand, three hundred one".