11142221271052 has 24 divisors (see below), whose sum is σ = 20299742058960. Its totient is φ = 5344742195520.

The previous prime is 11142221271019. The next prime is 11142221271091. The reversal of 11142221271052 is 25017212224111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305885074 + ... + 305921497.

It is an arithmetic number, because the mean of its divisors is an integer number (845822585790).

Almost surely, 2^{11142221271052} is an apocalyptic number.

It is an amenable number.

11142221271052 is a deficient number, since it is larger than the sum of its proper divisors (9157520787908).

11142221271052 is a wasteful number, since it uses less digits than its factorization.

11142221271052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611806761 (or 611806759 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

Adding to 11142221271052 its reverse (25017212224111), we get a palindrome (36159433495163).

The spelling of 11142221271052 in words is "eleven trillion, one hundred forty-two billion, two hundred twenty-one million, two hundred seventy-one thousand, fifty-two".