233221111021121 has 2 divisors, whose sum is σ = 233221111021122. Its totient is φ = 233221111021120.

The previous prime is 233221111021099. The next prime is 233221111021193. The reversal of 233221111021121 is 121120111122332.

233221111021121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227256228000400 + 5964883020721 = 15075020^2 + 2442311^2 .

It is a cyclic number.

It is not a de Polignac number, because 233221111021121 - 2²⁶ = 233221043912257 is a prime.

It is not a weakly prime, because it can be changed into another prime (233221111051121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116610555510560 + 116610555510561.

It is an arithmetic number, because the mean of its divisors is an integer number (116610555510561).

Almost surely, 2^{233221111021121} is an apocalyptic number.

It is an amenable number.

233221111021121 is a deficient number, since it is larger than the sum of its proper divisors (1).

233221111021121 is an equidigital number, since it uses as much as digits as its factorization.

233221111021121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 233221111021121 its reverse (121120111122332), we get a palindrome (354341222143453).

The spelling of 233221111021121 in words is "two hundred thirty-three trillion, two hundred twenty-one billion, one hundred eleven million, twenty-one thousand, one hundred twenty-one".