1222112112103 has 2 divisors, whose sum is σ = 1222112112104. Its totient is φ = 1222112112102.

The previous prime is 1222112112097. The next prime is 1222112112119. The reversal of 1222112112103 is 3012112112221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222112112103 - 2²⁵ = 1222078557671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222112112803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611056056051 + 611056056052.

It is an arithmetic number, because the mean of its divisors is an integer number (611056056052).

Almost surely, 2^{1222112112103} is an apocalyptic number.

1222112112103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222112112103 is an equidigital number, since it uses as much as digits as its factorization.

1222112112103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1222112112103 its reverse (3012112112221), we get a palindrome (4234224224324).

It can be divided in two parts, 12221 and 12112103, that added together give a square (12124324 = 3482²).

The spelling of 1222112112103 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, one hundred twelve thousand, one hundred three".