100000121023 has 8 divisors (see below), whose sum is σ = 109095198336. Its totient is φ = 90905736600.

The previous prime is 100000121017. The next prime is 100000121041. The reversal of 100000121023 is 320121000001.

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 100000121023 - 2⁹ = 100000120511 is a prime.

It is a super-2 number, since 2×100000121023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100000121423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155718 + ... + 473548.

It is an arithmetic number, because the mean of its divisors is an integer number (13636899792).

Almost surely, 2^100000121023 is an apocalyptic number.

100000121023 is a deficient number, since it is larger than the sum of its proper divisors (9095077313).

100000121023 is a wasteful number, since it uses less digits than its factorization.

100000121023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346445.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 100000121023 its reverse (320121000001), we get a palindrome (420121121024).

The spelling of 100000121023 in words is "one hundred billion, one hundred twenty-one thousand, twenty-three".