1222313231105 has 16 divisors (see below), whose sum is σ = 1484528351040. Its totient is φ = 966016880448.

The previous prime is 1222313231063. The next prime is 1222313231129. The reversal of 1222313231105 is 5011323132221.

It is a cyclic number.

It is not a de Polignac number, because 1222313231105 - 2²⁰ = 1222312182529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8763251 + ... + 8901639.

It is an arithmetic number, because the mean of its divisors is an integer number (92783021940).

Almost surely, 2^{1222313231105} is an apocalyptic number.

It is an amenable number.

1222313231105 is a deficient number, since it is larger than the sum of its proper divisors (262215119935).

1222313231105 is a wasteful number, since it uses less digits than its factorization.

1222313231105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159760.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 1222313231105 its reverse (5011323132221), we get a palindrome (6233636363326).

The spelling of 1222313231105 in words is "one trillion, two hundred twenty-two billion, three hundred thirteen million, two hundred thirty-one thousand, one hundred five".