11212111000442 has 32 divisors (see below), whose sum is σ = 18869459934528. Its totient is φ = 4952302000000.

The previous prime is 11212111000423. The next prime is 11212111000457. The reversal of 11212111000442 is 24400011121211.

11212111000442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11212111000442² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24535109 + ... + 24987912.

It is an arithmetic number, because the mean of its divisors is an integer number (589670622954).

Almost surely, 2^{11212111000442} is an apocalyptic number.

11212111000442 is a deficient number, since it is larger than the sum of its proper divisors (7657348934086).

11212111000442 is a wasteful number, since it uses less digits than its factorization.

11212111000442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49523326.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11212111000442 its reverse (24400011121211), we get a palindrome (35612122121653).

The spelling of 11212111000442 in words is "eleven trillion, two hundred twelve billion, one hundred eleven million, four hundred forty-two", and thus it is an aban number.