1342120343111 has 4 divisors (see below), whose sum is σ = 1342124458800. Its totient is φ = 1342116227424.

The previous prime is 1342120343101. The next prime is 1342120343117. The reversal of 1342120343111 is 1113430212431.

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 1342120343111 - 2¹⁸ = 1342120080967 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 (1342120343117) 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, 1522226 + ... + 2236383.

It is an arithmetic number, because the mean of its divisors is an integer number (335531114700).

Almost surely, 2^{1342120343111} is an apocalyptic number.

1342120343111 is a deficient number, since it is larger than the sum of its proper divisors (4115689).

1342120343111 is an equidigital number, since it uses as much as digits as its factorization.

1342120343111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115688.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 1342120343111 its reverse (1113430212431), we get a palindrome (2455550555542).

The spelling of 1342120343111 in words is "one trillion, three hundred forty-two billion, one hundred twenty million, three hundred forty-three thousand, one hundred eleven".