100421120101 has 16 divisors (see below), whose sum is σ = 105677568000. Its totient is φ = 95307264000.

The previous prime is 100421120081. The next prime is 100421120167. The reversal of 100421120101 is 101021124001.

It is a cyclic number.

It is not a de Polignac number, because 100421120101 - 2¹¹ = 100421118053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100421120171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227301 + ... + 502501.

It is an arithmetic number, because the mean of its divisors is an integer number (6604848000).

Almost surely, 2^100421120101 is an apocalyptic number.

It is an amenable number.

100421120101 is a deficient number, since it is larger than the sum of its proper divisors (5256447899).

100421120101 is a wasteful number, since it uses less digits than its factorization.

100421120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275460.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100421120101 its reverse (101021124001), we get a palindrome (201442244102).

The spelling of 100421120101 in words is "one hundred billion, four hundred twenty-one million, one hundred twenty thousand, one hundred one".