1142122140111 has 8 divisors (see below), whose sum is σ = 1571953053184. Its totient is φ = 736852993560.

The previous prime is 1142122140091. The next prime is 1142122140139. The reversal of 1142122140111 is 1110412212411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1142122140111 - 2²³ = 1142113751503 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 (1142122140011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6140441521 + ... + 6140441706.

It is an arithmetic number, because the mean of its divisors is an integer number (196494131648).

Almost surely, 2^{1142122140111} is an apocalyptic number.

1142122140111 is a deficient number, since it is larger than the sum of its proper divisors (429830913073).

1142122140111 is a wasteful number, since it uses less digits than its factorization.

1142122140111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12280883261.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 1142122140111 its reverse (1110412212411), we get a palindrome (2252534352522).

The spelling of 1142122140111 in words is "one trillion, one hundred forty-two billion, one hundred twenty-two million, one hundred forty thousand, one hundred eleven".