233103102121221 has 4 divisors (see below), whose sum is σ = 310804136161632. Its totient is φ = 155402068080812.

The previous prime is 233103102121207. The next prime is 233103102121229. The reversal of 233103102121221 is 122121201301332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 233103102121221 - 2¹³ = 233103102113029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 233103102121191 and 233103102121200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233103102121229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38850517020201 + ... + 38850517020206.

It is an arithmetic number, because the mean of its divisors is an integer number (77701034040408).

Almost surely, 2^{233103102121221} is an apocalyptic number.

It is an amenable number.

233103102121221 is a deficient number, since it is larger than the sum of its proper divisors (77701034040411).

233103102121221 is an equidigital number, since it uses as much as digits as its factorization.

233103102121221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77701034040410.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 233103102121221 its reverse (122121201301332), we get a palindrome (355224303422553).

The spelling of 233103102121221 in words is "two hundred thirty-three trillion, one hundred three billion, one hundred two million, one hundred twenty-one thousand, two hundred twenty-one".