11141221440442 has 16 divisors (see below), whose sum is σ = 16978340709000. Its totient is φ = 5482460531520.

The previous prime is 11141221440431. The next prime is 11141221440487. The reversal of 11141221440442 is 24404412214111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8047383177681 + 3093838262761 = 2836791^2 + 1758931^2 .

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, 171465909 + ... + 171530872.

Almost surely, 2^{11141221440442} is an apocalyptic number.

11141221440442 is a deficient number, since it is larger than the sum of its proper divisors (5837119268558).

11141221440442 is a wasteful number, since it uses less digits than its factorization.

11141221440442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342997041.

The product of its (nonzero) digits is 8192, while the sum is 31.

Adding to 11141221440442 its reverse (24404412214111), we get a palindrome (35545633654553).

The spelling of 11141221440442 in words is "eleven trillion, one hundred forty-one billion, two hundred twenty-one million, four hundred forty thousand, four hundred forty-two".