232121220103 has 4 divisors (see below), whose sum is σ = 242213447088. Its totient is φ = 222028993120.

The previous prime is 232121220101. The next prime is 232121220127. The reversal of 232121220103 is 301022121232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 232121220103 - 2¹ = 232121220101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232121220101) 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, 5046113458 + ... + 5046113503.

It is an arithmetic number, because the mean of its divisors is an integer number (60553361772).

Almost surely, 2^232121220103 is an apocalyptic number.

232121220103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

232121220103 is a deficient number, since it is larger than the sum of its proper divisors (10092226985).

232121220103 is a wasteful number, since it uses less digits than its factorization.

232121220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10092226984.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 232121220103 its reverse (301022121232), we get a palindrome (533143341335).

The spelling of 232121220103 in words is "two hundred thirty-two billion, one hundred twenty-one million, two hundred twenty thousand, one hundred three".