231222411011 has 2 divisors, whose sum is σ = 231222411012. Its totient is φ = 231222411010.

The previous prime is 231222410999. The next prime is 231222411029. The reversal of 231222411011 is 110114222132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231222411011 is a prime.

It is a super-3 number, since 3×231222411011³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (231222411071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115611205505 + 115611205506.

It is an arithmetic number, because the mean of its divisors is an integer number (115611205506).

Almost surely, 2^231222411011 is an apocalyptic number.

231222411011 is a deficient number, since it is larger than the sum of its proper divisors (1).

231222411011 is an equidigital number, since it uses as much as digits as its factorization.

231222411011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 231222411011 its reverse (110114222132), we get a palindrome (341336633143).

The spelling of 231222411011 in words is "two hundred thirty-one billion, two hundred twenty-two million, four hundred eleven thousand, eleven".