1311101142242 has 8 divisors (see below), whose sum is σ = 1966834979676. Its totient is φ = 655489482352.

The previous prime is 1311101142233. The next prime is 1311101142283. The reversal of 1311101142242 is 2422411011131.

It can be written as a sum of positive squares in 2 ways, for example, as 1298298446041 + 12802696201 = 1139429^2 + 113149^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30517553 + ... + 30560484.

Almost surely, 2^{1311101142242} is an apocalyptic number.

1311101142242 is a deficient number, since it is larger than the sum of its proper divisors (655733837434).

1311101142242 is a wasteful number, since it uses less digits than its factorization.

1311101142242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61088772.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 1311101142242 its reverse (2422411011131), we get a palindrome (3733512153373).

The spelling of 1311101142242 in words is "one trillion, three hundred eleven billion, one hundred one million, one hundred forty-two thousand, two hundred forty-two".