1142242402111 has 2 divisors, whose sum is σ = 1142242402112. Its totient is φ = 1142242402110.

The previous prime is 1142242402109. The next prime is 1142242402157. The reversal of 1142242402111 is 1112042422411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1142242402111 - 2¹ = 1142242402109 is a prime.

Together with 1142242402109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142242405111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571121201055 + 571121201056.

It is an arithmetic number, because the mean of its divisors is an integer number (571121201056).

Almost surely, 2^{1142242402111} is an apocalyptic number.

1142242402111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142242402111 is an equidigital number, since it uses as much as digits as its factorization.

1142242402111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 1142242402111 its reverse (1112042422411), we get a palindrome (2254284824522).

The spelling of 1142242402111 in words is "one trillion, one hundred forty-two billion, two hundred forty-two million, four hundred two thousand, one hundred eleven".