233142124221 has 6 divisors (see below), whose sum is σ = 336760846110. Its totient is φ = 155428082808.

The previous prime is 233142124213. The next prime is 233142124249. The reversal of 233142124221 is 122421241332.

233142124221 is a `hidden beast` number, since 2 + 3 + 314 + 2 + 124 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 175054376025 + 58087748196 = 418395^2 + 241014^2 .

It is not a de Polignac number, because 233142124221 - 2³ = 233142124213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233142124121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12952340226 + ... + 12952340243.

It is an arithmetic number, because the mean of its divisors is an integer number (56126807685).

Almost surely, 2^233142124221 is an apocalyptic number.

It is an amenable number.

233142124221 is a deficient number, since it is larger than the sum of its proper divisors (103618721889).

233142124221 is a wasteful number, since it uses less digits than its factorization.

233142124221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25904680475 (or 25904680472 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 233142124221 its reverse (122421241332), we get a palindrome (355563365553).

The spelling of 233142124221 in words is "two hundred thirty-three billion, one hundred forty-two million, one hundred twenty-four thousand, two hundred twenty-one".