11222202111212 has 24 divisors (see below), whose sum is σ = 19910020183200. Its totient is φ = 5533641449856.

The previous prime is 11222202111203. The next prime is 11222202111271. The reversal of 11222202111212 is 21211120222211.

It is a super-2 number, since 2×11222202111212² (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 7 ways as a sum of consecutive naturals, for example, 659114 + ... + 4783182.

It is an arithmetic number, because the mean of its divisors is an integer number (829584174300).

Almost surely, 2^{11222202111212} is an apocalyptic number.

It is an amenable number.

11222202111212 is a deficient number, since it is larger than the sum of its proper divisors (8687818071988).

11222202111212 is a wasteful number, since it uses less digits than its factorization.

11222202111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133465 (or 4133463 counting only the distinct ones).

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

Adding to 11222202111212 its reverse (21211120222211), we get a palindrome (32433322333423).

The spelling of 11222202111212 in words is "eleven trillion, two hundred twenty-two billion, two hundred two million, one hundred eleven thousand, two hundred twelve".