1342203311111 has 4 divisors (see below), whose sum is σ = 1445449719672. Its totient is φ = 1238956902552.

The previous prime is 1342203311107. The next prime is 1342203311257. The reversal of 1342203311111 is 1111133022431.

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 1342203311111 - 2² = 1342203311107 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 (1342203311311) 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, 51623204261 + ... + 51623204286.

It is an arithmetic number, because the mean of its divisors is an integer number (361362429918).

Almost surely, 2^{1342203311111} is an apocalyptic number.

1342203311111 is a deficient number, since it is larger than the sum of its proper divisors (103246408561).

1342203311111 is a wasteful number, since it uses less digits than its factorization.

1342203311111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103246408560.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1342203311111 its reverse (1111133022431), we get a palindrome (2453336333542).

The spelling of 1342203311111 in words is "one trillion, three hundred forty-two billion, two hundred three million, three hundred eleven thousand, one hundred eleven".