11021210202222 has 48 divisors (see below), whose sum is σ = 26754190877232. Its totient is φ = 3249496863360.

The previous prime is 11021210202173. The next prime is 11021210202269. The reversal of 11021210202222 is 22220201212011.

It is a happy number.

11021210202222 is a `hidden beast` number, since 1 + 10 + 21 + 210 + 202 + 222 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 11021210202195 and 11021210202204.

It is a congruent number.

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, 752191023 + ... + 752205674.

It is an arithmetic number, because the mean of its divisors is an integer number (557378976609).

Almost surely, 2^{11021210202222} is an apocalyptic number.

11021210202222 is an abundant number, since it is smaller than the sum of its proper divisors (15732980675010).

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

11021210202222 is a wasteful number, since it uses less digits than its factorization.

11021210202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504396753 (or 1504396750 counting only the distinct ones).

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

Adding to 11021210202222 its reverse (22220201212011), we get a palindrome (33241411414233).

The spelling of 11021210202222 in words is "eleven trillion, twenty-one billion, two hundred ten million, two hundred two thousand, two hundred twenty-two".