1111223012342 has 4 divisors (see below), whose sum is σ = 1666834518516. Its totient is φ = 555611506170.

The previous prime is 1111223012309. The next prime is 1111223012351. The reversal of 1111223012342 is 2432103221111.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277805753084 + ... + 277805753087.

It is an arithmetic number, because the mean of its divisors is an integer number (416708629629).

Almost surely, 2^{1111223012342} is an apocalyptic number.

1111223012342 is a deficient number, since it is larger than the sum of its proper divisors (555611506174).

1111223012342 is an equidigital number, since it uses as much as digits as its factorization.

1111223012342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555611506173.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1111223012342 its reverse (2432103221111), we get a palindrome (3543326233453).

The spelling of 1111223012342 in words is "one trillion, one hundred eleven billion, two hundred twenty-three million, twelve thousand, three hundred forty-two".