1141311221320 has 16 divisors (see below), whose sum is σ = 2567950248060. Its totient is φ = 456524488512.

The previous prime is 1141311221287. The next prime is 1141311221321. The reversal of 1141311221320 is 231221131411.

It can be written as a sum of positive squares in 2 ways, for example, as 1093015884676 + 48295336644 = 1045474^2 + 219762^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1141311221291 and 1141311221300.

It is not an unprimeable number, because it can be changed into a prime (1141311221321) 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, 14266390227 + ... + 14266390306.

Almost surely, 2^{1141311221320} is an apocalyptic number.

1141311221320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141311221320 is an abundant number, since it is smaller than the sum of its proper divisors (1426639026740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1141311221320 is a wasteful number, since it uses less digits than its factorization.

1141311221320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28532780544 (or 28532780540 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 1141311221320 its reverse (231221131411), we get a palindrome (1372532352731).

It can be divided in two parts, 1141311 and 221320, that added together give a palindrome (1362631).

The spelling of 1141311221320 in words is "one trillion, one hundred forty-one billion, three hundred eleven million, two hundred twenty-one thousand, three hundred twenty".