1142211322141 has 4 divisors (see below), whose sum is σ = 1142285753500. Its totient is φ = 1142136890784.

The previous prime is 1142211322123. The next prime is 1142211322223. The reversal of 1142211322141 is 1412231122411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 780667670916 + 361543651225 = 883554^2 + 601285^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142211322141 - 2³⁷ = 1004772368669 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 (1142211322111) 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, 37192656 + ... + 37223353.

It is an arithmetic number, because the mean of its divisors is an integer number (285571438375).

Almost surely, 2^{1142211322141} is an apocalyptic number.

It is an amenable number.

1142211322141 is a deficient number, since it is larger than the sum of its proper divisors (74431359).

1142211322141 is an equidigital number, since it uses as much as digits as its factorization.

1142211322141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74431358.

The product of its digits is 768, while the sum is 25.

Adding to 1142211322141 its reverse (1412231122411), we get a palindrome (2554442444552).

The spelling of 1142211322141 in words is "one trillion, one hundred forty-two billion, two hundred eleven million, three hundred twenty-two thousand, one hundred forty-one".