11020212021222 has 56 divisors (see below), whose sum is σ = 25583627853120. Its totient is φ = 3554907089040.

The previous prime is 11020212021187. The next prime is 11020212021251. The reversal of 11020212021222 is 22212021202011.

It is a happy number.

11020212021222 is a `hidden beast` number, since 110 + 202 + 120 + 212 + 22 = 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 = 11020212021195 and 11020212021204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 121865197 + ... + 121955592.

Almost surely, 2^{11020212021222} is an apocalyptic number.

11020212021222 is an abundant number, since it is smaller than the sum of its proper divisors (14563415831898).

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

11020212021222 is an equidigital number, since it uses as much as digits as its factorization.

11020212021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243820840 (or 243820825 counting only the distinct ones).

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

Adding to 11020212021222 its reverse (22212021202011), we get a palindrome (33232233223233).

The spelling of 11020212021222 in words is "eleven trillion, twenty billion, two hundred twelve million, twenty-one thousand, two hundred twenty-two".