11221021110212 has 6 divisors (see below), whose sum is σ = 19636786942878. Its totient is φ = 5610510555104.

The previous prime is 11221021110199. The next prime is 11221021110217. The reversal of 11221021110212 is 21201112012211.

11221021110212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10300081471876 + 920939638336 = 3209374^2 + 959656^2 .

It is a super-2 number, since 2×11221021110212² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11221021110217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402627638773 + ... + 1402627638780.

It is an arithmetic number, because the mean of its divisors is an integer number (3272797823813).

Almost surely, 2^{11221021110212} is an apocalyptic number.

It is an amenable number.

11221021110212 is a deficient number, since it is larger than the sum of its proper divisors (8415765832666).

11221021110212 is a wasteful number, since it uses less digits than its factorization.

11221021110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805255277557 (or 2805255277555 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11221021110212 its reverse (21201112012211), we get a palindrome (32422133122423).

The spelling of 11221021110212 in words is "eleven trillion, two hundred twenty-one billion, twenty-one million, one hundred ten thousand, two hundred twelve".