100121133 has 8 divisors (see below), whose sum is σ = 152565568. Its totient is φ = 57212064.

The previous prime is 100121129. The next prime is 100121141. The reversal of 100121133 is 331121001.

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

It is not a de Polignac number, because 100121133 - 2² = 100121129 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 (100121123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2383816 + ... + 2383857.

It is an arithmetic number, because the mean of its divisors is an integer number (19070696).

Almost surely, 2^100121133 is an apocalyptic number.

It is an amenable number.

100121133 is a deficient number, since it is larger than the sum of its proper divisors (52444435).

100121133 is an equidigital number, since it uses as much as digits as its factorization.

100121133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4767683.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 100121133 is about 10006.0548169596. The cubic root of 100121133 is about 464.3462242645.

Adding to 100121133 its reverse (331121001), we get a palindrome (431242134).

The spelling of 100121133 in words is "one hundred million, one hundred twenty-one thousand, one hundred thirty-three".