1224243146111 has 4 divisors (see below), whose sum is σ = 1250290872672. Its totient is φ = 1198195419552.

The previous prime is 1224243146101. The next prime is 1224243146141. The reversal of 1224243146111 is 1116413424221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1224243146111 - 2⁶ = 1224243146047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224243146101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13023863210 + ... + 13023863303.

It is an arithmetic number, because the mean of its divisors is an integer number (312572718168).

Almost surely, 2^{1224243146111} is an apocalyptic number.

1224243146111 is a deficient number, since it is larger than the sum of its proper divisors (26047726561).

1224243146111 is an equidigital number, since it uses as much as digits as its factorization.

1224243146111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26047726560.

The product of its digits is 9216, while the sum is 32.

The spelling of 1224243146111 in words is "one trillion, two hundred twenty-four billion, two hundred forty-three million, one hundred forty-six thousand, one hundred eleven".