1222430111121 has 16 divisors (see below), whose sum is σ = 1682673315840. Its totient is φ = 788576058960.

The previous prime is 1222430111117. The next prime is 1222430111131. The reversal of 1222430111121 is 1211110342221.

It is not a de Polignac number, because 1222430111121 - 2² = 1222430111117 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1222430111131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100300 + ... + 1566818.

It is an arithmetic number, because the mean of its divisors is an integer number (105167082240).

Almost surely, 2^{1222430111121} is an apocalyptic number.

It is an amenable number.

1222430111121 is a deficient number, since it is larger than the sum of its proper divisors (460243204719).

1222430111121 is a wasteful number, since it uses less digits than its factorization.

1222430111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475516.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 1222430111121 its reverse (1211110342221), we get a palindrome (2433540453342).

The spelling of 1222430111121 in words is "one trillion, two hundred twenty-two billion, four hundred thirty million, one hundred eleven thousand, one hundred twenty-one".