11212122101222 has 64 divisors (see below), whose sum is σ = 20568238848000. Its totient is φ = 4477175119872.

The previous prime is 11212122101221. The next prime is 11212122101227. The reversal of 11212122101222 is 22210122121211.

It is a junction number, because it is equal to n+sod(n) for n = 11212122101194 and 11212122101203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212122101221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4362554 + ... + 6438642.

It is an arithmetic number, because the mean of its divisors is an integer number (321378732000).

Almost surely, 2^{11212122101222} is an apocalyptic number.

11212122101222 is a deficient number, since it is larger than the sum of its proper divisors (9356116746778).

11212122101222 is a wasteful number, since it uses less digits than its factorization.

11212122101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076453.

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

Adding to 11212122101222 its reverse (22210122121211), we get a palindrome (33422244222433).

The spelling of 11212122101222 in words is "eleven trillion, two hundred twelve billion, one hundred twenty-two million, one hundred one thousand, two hundred twenty-two".