11022212101212 has 54 divisors (see below), whose sum is σ = 30169772883432. Its totient is φ = 3391449875424.

The previous prime is 11022212101181. The next prime is 11022212101249. The reversal of 11022212101212 is 21210121222011.

11022212101212 is a `hidden beast` number, since 110 + 2 + 221 + 210 + 121 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 905829888 + ... + 905842055.

Almost surely, 2^{11022212101212} is an apocalyptic number.

11022212101212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11022212101212 is an abundant number, since it is smaller than the sum of its proper divisors (19147560782220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11022212101212 is a wasteful number, since it uses less digits than its factorization.

11022212101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811671979 (or 1811671961 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11022212101212 its reverse (21210121222011), we get a palindrome (32232333323223).

The spelling of 11022212101212 in words is "eleven trillion, twenty-two billion, two hundred twelve million, one hundred one thousand, two hundred twelve".