100710121 has 4 divisors (see below), whose sum is σ = 100750212. Its totient is φ = 100670032.

The previous prime is 100710107. The next prime is 100710131. The reversal of 100710121 is 121017001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121017001 = 7 ⋅17288143.

It can be written as a sum of positive squares in 2 ways, for example, as 34515625 + 66194496 = 5875^2 + 8136^2 .

It is a cyclic number.

It is not a de Polignac number, because 100710121 - 2¹³ = 100701929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100710101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16006 + ... + 21391.

It is an arithmetic number, because the mean of its divisors is an integer number (25187553).

Almost surely, 2^100710121 is an apocalyptic number.

It is an amenable number.

100710121 is a deficient number, since it is larger than the sum of its proper divisors (40091).

100710121 is an equidigital number, since it uses as much as digits as its factorization.

100710121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40090.

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 100710121 is about 10035.4432388410. The cubic root of 100710121 is about 465.2549894493.

Adding to 100710121 its reverse (121017001), we get a palindrome (221727122).

The spelling of 100710121 in words is "one hundred million, seven hundred ten thousand, one hundred twenty-one".