1142240114111 has 4 divisors (see below), whose sum is σ = 1191902727792. Its totient is φ = 1092577500432.

The previous prime is 1142240114039. The next prime is 1142240114131. The reversal of 1142240114111 is 1114110422411.

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

It is not a de Polignac number, because 1142240114111 - 2¹⁴ = 1142240097727 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 49662613657 = 1142240114111 / (1 + 1 + 4 + 2 + 2 + 4 + 0 + 1 + 1 + 4 + 1 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142240114131) 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, 24831306806 + ... + 24831306851.

It is an arithmetic number, because the mean of its divisors is an integer number (297975681948).

Almost surely, 2^{1142240114111} is an apocalyptic number.

1142240114111 is a deficient number, since it is larger than the sum of its proper divisors (49662613681).

1142240114111 is an equidigital number, since it uses as much as digits as its factorization.

1142240114111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49662613680.

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 1142240114111 its reverse (1114110422411), we get a palindrome (2256350536522).

The spelling of 1142240114111 in words is "one trillion, one hundred forty-two billion, two hundred forty million, one hundred fourteen thousand, one hundred eleven".