11222020102212 has 144 divisors (see below), whose sum is σ = 29764011513600. Its totient is φ = 3696643526400.

The previous prime is 11222020102099. The next prime is 11222020102213. The reversal of 11222020102212 is 21220102022211.

It is a happy number.

11222020102212 is a `hidden beast` number, since 112 + 220 + 20 + 102 + 212 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (11222020102213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 164417589 + ... + 164485827.

It is an arithmetic number, because the mean of its divisors is an integer number (206694524400).

Almost surely, 2^{11222020102212} is an apocalyptic number.

11222020102212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11222020102212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14882005756800).

11222020102212 is an abundant number, since it is smaller than the sum of its proper divisors (18541991411388).

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

11222020102212 is a wasteful number, since it uses less digits than its factorization.

11222020102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70248 (or 70234 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11222020102212 its reverse (21220102022211), we get a palindrome (32442122124423).

The spelling of 11222020102212 in words is "eleven trillion, two hundred twenty-two billion, twenty million, one hundred two thousand, two hundred twelve".