100010121 has 8 divisors (see below), whose sum is σ = 134145984. Its totient is φ = 66273840.

The previous prime is 100010107. The next prime is 100010143. The reversal of 100010121 is 121010001.

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

It is not a de Polignac number, because 100010121 - 2¹⁰ = 100009097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100010161) 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, 99310 + ... + 100311.

It is an arithmetic number, because the mean of its divisors is an integer number (16768248).

Almost surely, 2^100010121 is an apocalyptic number.

It is an amenable number.

100010121 is a deficient number, since it is larger than the sum of its proper divisors (34135863).

100010121 is a wasteful number, since it uses less digits than its factorization.

100010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199791.

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

The square root of 100010121 is about 10000.5060371963. The cubic root of 100010121 is about 464.1745420065.

Adding to 100010121 its reverse (121010001), we get a palindrome (221020122).

The spelling of 100010121 in words is "one hundred million, ten thousand, one hundred twenty-one".