100233232121 has 8 divisors (see below), whose sum is σ = 113115873600. Its totient is φ = 87979012240.

The previous prime is 100233232091. The next prime is 100233232129. The reversal of 100233232121 is 121232332001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100233232121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100233232093 and 100233232102.

It is not an unprimeable number, because it can be changed into a prime (100233232129) 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, 157105061 + ... + 157105698.

It is an arithmetic number, because the mean of its divisors is an integer number (14139484200).

Almost surely, 2^100233232121 is an apocalyptic number.

100233232121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100233232121 is a deficient number, since it is larger than the sum of its proper divisors (12882641479).

100233232121 is a wasteful number, since it uses less digits than its factorization.

100233232121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314210799.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 100233232121 its reverse (121232332001), we get a palindrome (221465564122).

The spelling of 100233232121 in words is "one hundred billion, two hundred thirty-three million, two hundred thirty-two thousand, one hundred twenty-one".