100012101 has 16 divisors (see below), whose sum is σ = 153128448. Its totient is φ = 56876400.

The previous prime is 100012069. The next prime is 100012103. The reversal of 100012101 is 101210001.

It is not a de Polignac number, because 100012101 - 2⁵ = 100012069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012103) 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, 6855 + ... + 15716.

It is an arithmetic number, because the mean of its divisors is an integer number (9570528).

Almost surely, 2^100012101 is an apocalyptic number.

It is an amenable number.

100012101 is a deficient number, since it is larger than the sum of its proper divisors (53116347).

100012101 is a wasteful number, since it uses less digits than its factorization.

100012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22792.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 100012101 is about 10000.6050316968. The cubic root of 100012101 is about 464.1776052283.

Adding to 100012101 its reverse (101210001), we get a palindrome (201222102).

The spelling of 100012101 in words is "one hundred million, twelve thousand, one hundred one".