233221300121 has 16 divisors (see below), whose sum is σ = 243764428800. Its totient is φ = 222712121808.

The previous prime is 233221300049. The next prime is 233221300127. The reversal of 233221300121 is 121003122332.

It is a cyclic number.

It is not a de Polignac number, because 233221300121 - 2³⁴ = 216041430937 is a prime.

It is a super-2 number, since 2×233221300121² (a number of 24 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 = 233221300093 and 233221300102.

It is not an unprimeable number, because it can be changed into a prime (233221300127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42563660 + ... + 42569138.

It is an arithmetic number, because the mean of its divisors is an integer number (15235276800).

Almost surely, 2^233221300121 is an apocalyptic number.

It is an amenable number.

233221300121 is a deficient number, since it is larger than the sum of its proper divisors (10543128679).

233221300121 is a wasteful number, since it uses less digits than its factorization.

233221300121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8228.

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

Adding to 233221300121 its reverse (121003122332), we get a palindrome (354224422453).

The spelling of 233221300121 in words is "two hundred thirty-three billion, two hundred twenty-one million, three hundred thousand, one hundred twenty-one".