100001010022121 has 8 divisors (see below), whose sum is σ = 107693481255360. Its totient is φ = 92308551052752.

The previous prime is 100001010022031. The next prime is 100001010022127. The reversal of 100001010022121 is 121220010100001.

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

It is a cyclic number.

It is not a de Polignac number, because 100001010022121 - 2²⁶ = 100000942913257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100001010022127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20682686 + ... + 25055448.

It is an arithmetic number, because the mean of its divisors is an integer number (13461685156920).

Almost surely, 2^{100001010022121} is an apocalyptic number.

It is an amenable number.

100001010022121 is a deficient number, since it is larger than the sum of its proper divisors (7692471233239).

100001010022121 is a wasteful number, since it uses less digits than its factorization.

100001010022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6131935.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100001010022121 its reverse (121220010100001), we get a palindrome (221221020122122).

The spelling of 100001010022121 in words is "one hundred trillion, one billion, ten million, twenty-two thousand, one hundred twenty-one".