11211221301442 has 8 divisors (see below), whose sum is σ = 16818203336256. Its totient is φ = 5605153522692.

The previous prime is 11211221301419. The next prime is 11211221301463. The reversal of 11211221301442 is 24410312211211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228533358 + ... + 228582409.

It is an arithmetic number, because the mean of its divisors is an integer number (2102275417032).

Almost surely, 2^{11211221301442} is an apocalyptic number.

11211221301442 is a deficient number, since it is larger than the sum of its proper divisors (5606982034814).

11211221301442 is a wasteful number, since it uses less digits than its factorization.

11211221301442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457128032.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 11211221301442 its reverse (24410312211211), we get a palindrome (35621533512653).

The spelling of 11211221301442 in words is "eleven trillion, two hundred eleven billion, two hundred twenty-one million, three hundred one thousand, four hundred forty-two".