10232231212121 has 2 divisors, whose sum is σ = 10232231212122. Its totient is φ = 10232231212120.

The previous prime is 10232231212111. The next prime is 10232231212163. The reversal of 10232231212121 is 12121213223201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5424539116096 + 4807692096025 = 2329064^2 + 2192645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10232231212121 is a prime.

It is not a weakly prime, because it can be changed into another prime (10232231212111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5116115606060 + 5116115606061.

It is an arithmetic number, because the mean of its divisors is an integer number (5116115606061).

Almost surely, 2^{10232231212121} is an apocalyptic number.

It is an amenable number.

10232231212121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10232231212121 is an equidigital number, since it uses as much as digits as its factorization.

10232231212121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 10232231212121 its reverse (12121213223201), we get a palindrome (22353444435322).

The spelling of 10232231212121 in words is "ten trillion, two hundred thirty-two billion, two hundred thirty-one million, two hundred twelve thousand, one hundred twenty-one".