11142221271050 has 48 divisors (see below), whose sum is σ = 21950551425240. Its totient is φ = 4193393909760.

The previous prime is 11142221271019. The next prime is 11142221271091. The reversal of 11142221271050 is 5017212224111.

It can be written as a sum of positive squares in 12 ways, for example, as 1178924723089 + 9963296547961 = 1085783^2 + 3156469^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 625412 + ... + 4761888.

Almost surely, 2^{11142221271050} is an apocalyptic number.

11142221271050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11142221271050 is a deficient number, since it is larger than the sum of its proper divisors (10808330154190).

11142221271050 is a wasteful number, since it uses less digits than its factorization.

11142221271050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4139675 (or 4139670 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 29.

Adding to 11142221271050 its reverse (5017212224111), we get a palindrome (16159433495161).

The spelling of 11142221271050 in words is "eleven trillion, one hundred forty-two billion, two hundred twenty-one million, two hundred seventy-one thousand, fifty".