1142043002111 has 32 divisors (see below), whose sum is σ = 1264085222400. Its totient is φ = 1023144929280.

The previous prime is 1142043002081. The next prime is 1142043002141. The reversal of 1142043002111 is 1112003402411.

It is an interprime number because it is at equal distance from previous prime (1142043002081) and next prime (1142043002141).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142043002111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142043002141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370912070 + ... + 370915148.

It is an arithmetic number, because the mean of its divisors is an integer number (39502663200).

Almost surely, 2^{1142043002111} is an apocalyptic number.

1142043002111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1142043002111 is a deficient number, since it is larger than the sum of its proper divisors (122042220289).

1142043002111 is a wasteful number, since it uses less digits than its factorization.

1142043002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4679.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1142043002111 its reverse (1112003402411), we get a palindrome (2254046404522).

The spelling of 1142043002111 in words is "one trillion, one hundred forty-two billion, forty-three million, two thousand, one hundred eleven".