11221323410212 has 72 divisors (see below), whose sum is σ = 20174134405320. Its totient is φ = 5460642570240.

The previous prime is 11221323410161. The next prime is 11221323410233. The reversal of 11221323410212 is 21201432312211.

It can be written as a sum of positive squares in 12 ways, for example, as 4856884299556 + 6364439110656 = 2203834^2 + 2522784^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 988395928 + ... + 988407280.

It is an arithmetic number, because the mean of its divisors is an integer number (280196311185).

Almost surely, 2^{11221323410212} is an apocalyptic number.

It is an amenable number.

11221323410212 is a deficient number, since it is larger than the sum of its proper divisors (8952810995108).

11221323410212 is a wasteful number, since it uses less digits than its factorization.

11221323410212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12113 (or 12038 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 11221323410212 its reverse (21201432312211), we get a palindrome (32422755722423).

The spelling of 11221323410212 in words is "eleven trillion, two hundred twenty-one billion, three hundred twenty-three million, four hundred ten thousand, two hundred twelve".