1111214221223 has 2 divisors, whose sum is σ = 1111214221224. Its totient is φ = 1111214221222.

The previous prime is 1111214221199. The next prime is 1111214221283. The reversal of 1111214221223 is 3221224121111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111214221223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111214221283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555607110611 + 555607110612.

It is an arithmetic number, because the mean of its divisors is an integer number (555607110612).

Almost surely, 2^{1111214221223} is an apocalyptic number.

1111214221223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111214221223 is an equidigital number, since it uses as much as digits as its factorization.

1111214221223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 23.

Adding to 1111214221223 its reverse (3221224121111), we get a palindrome (4332438342334).

The spelling of 1111214221223 in words is "one trillion, one hundred eleven billion, two hundred fourteen million, two hundred twenty-one thousand, two hundred twenty-three".