100121203333231 has 16 divisors (see below), whose sum is σ = 106909000678656. Its totient is φ = 93536508897216.

The previous prime is 100121203333201. The next prime is 100121203333243. The reversal of 100121203333231 is 132333302121001.

It is a cyclic number.

It is not a de Polignac number, because 100121203333231 - 2⁷ = 100121203333103 is a prime.

It is a super-2 number, since 2×100121203333231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100121203333196 and 100121203333205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121203333201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18571476 + ... + 23348278.

It is an arithmetic number, because the mean of its divisors is an integer number (6681812542416).

Almost surely, 2^{100121203333231} is an apocalyptic number.

100121203333231 is a deficient number, since it is larger than the sum of its proper divisors (6787797345425).

100121203333231 is a wasteful number, since it uses less digits than its factorization.

100121203333231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4798062.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 100121203333231 its reverse (132333302121001), we get a palindrome (232454505454232).

The spelling of 100121203333231 in words is "one hundred trillion, one hundred twenty-one billion, two hundred three million, three hundred thirty-three thousand, two hundred thirty-one".