233100112121 has 2 divisors, whose sum is σ = 233100112122. Its totient is φ = 233100112120.

The previous prime is 233100112111. The next prime is 233100112169. The reversal of 233100112121 is 121211001332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187780088896 + 45320023225 = 433336^2 + 212885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233100112121 is a prime.

It is a super-2 number, since 2×233100112121² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 233100112121.

It is not a weakly prime, because it can be changed into another prime (233100112111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116550056060 + 116550056061.

It is an arithmetic number, because the mean of its divisors is an integer number (116550056061).

Almost surely, 2^233100112121 is an apocalyptic number.

It is an amenable number.

233100112121 is a deficient number, since it is larger than the sum of its proper divisors (1).

233100112121 is an equidigital number, since it uses as much as digits as its factorization.

233100112121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 233100112121 its reverse (121211001332), we get a palindrome (354311113453).

The spelling of 233100112121 in words is "two hundred thirty-three billion, one hundred million, one hundred twelve thousand, one hundred twenty-one".