11221114431242 has 12 divisors (see below), whose sum is σ = 17036906160210. Its totient is φ = 5542960133928.

The previous prime is 11221114431227. The next prime is 11221114431253. The reversal of 11221114431242 is 24213441112211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10971205422961 + 249909008281 = 3312281^2 + 499909^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 407197517 + ... + 407225072.

Almost surely, 2^{11221114431242} is an apocalyptic number.

11221114431242 is a deficient number, since it is larger than the sum of its proper divisors (5815791728968).

11221114431242 is an frugal number, since it uses more digits than its factorization.

11221114431242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814422757 (or 814422674 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

Adding to 11221114431242 its reverse (24213441112211), we get a palindrome (35434555543453).

The spelling of 11221114431242 in words is "eleven trillion, two hundred twenty-one billion, one hundred fourteen million, four hundred thirty-one thousand, two hundred forty-two".