10231021121 has 2 divisors, whose sum is σ = 10231021122. Its totient is φ = 10231021120.

The previous prime is 10231021093. The next prime is 10231021127. The reversal of 10231021121 is 12112013201.

10231021121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6043507600 + 4187513521 = 77740^2 + 64711^2 .

It is a cyclic number.

It is not a de Polignac number, because 10231021121 - 2⁶ = 10231021057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10231021096 and 10231021105.

It is not a weakly prime, because it can be changed into another prime (10231021127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5115510560 + 5115510561.

It is an arithmetic number, because the mean of its divisors is an integer number (5115510561).

Almost surely, 2^10231021121 is an apocalyptic number.

It is an amenable number.

10231021121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10231021121 is an equidigital number, since it uses as much as digits as its factorization.

10231021121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10231021121 its reverse (12112013201), we get a palindrome (22343034322).

The spelling of 10231021121 in words is "ten billion, two hundred thirty-one million, twenty-one thousand, one hundred twenty-one".