11212122210112 has 14 divisors (see below), whose sum is σ = 22249055010818. Its totient is φ = 5606061105024.

The previous prime is 11212122210067. The next prime is 11212122210131. The reversal of 11212122210112 is 21101222121211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7264016793856 + 3948105416256 = 2695184^2 + 1986984^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11212122210112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87594704703 + ... + 87594704830.

Almost surely, 2^{11212122210112} is an apocalyptic number.

It is an amenable number.

11212122210112 is a deficient number, since it is larger than the sum of its proper divisors (11036932800706).

11212122210112 is an equidigital number, since it uses as much as digits as its factorization.

11212122210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175189409545 (or 175189409535 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11212122210112 its reverse (21101222121211), we get a palindrome (32313344331323).

The spelling of 11212122210112 in words is "eleven trillion, two hundred twelve billion, one hundred twenty-two million, two hundred ten thousand, one hundred twelve".