11012222201212 has 12 divisors (see below), whose sum is σ = 19280622881520. Its totient is φ = 5503472806496.

The previous prime is 11012222201207. The next prime is 11012222201251. The reversal of 11012222201212 is 21210222221011.

It is a super-2 number, since 2×11012222201212² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11012222201212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659564137 + ... + 659580832.

It is an arithmetic number, because the mean of its divisors is an integer number (1606718573460).

Almost surely, 2^{11012222201212} is an apocalyptic number.

It is an amenable number.

11012222201212 is a deficient number, since it is larger than the sum of its proper divisors (8268400680308).

11012222201212 is a wasteful number, since it uses less digits than its factorization.

11012222201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319147060 (or 1319147058 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11012222201212 its reverse (21210222221011), we get a palindrome (32222444422223).

The spelling of 11012222201212 in words is "eleven trillion, twelve billion, two hundred twenty-two million, two hundred one thousand, two hundred twelve".