11020222121202 has 48 divisors (see below), whose sum is σ = 27289553915520. Its totient is φ = 3148475101056.

The previous prime is 11020222121149. The next prime is 11020222121203. The reversal of 11020222121202 is 20212122202011.

It is a happy number.

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 (11020222121203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284499 + ... + 4703337.

It is an arithmetic number, because the mean of its divisors is an integer number (568532373240).

Almost surely, 2^{11020222121202} is an apocalyptic number.

11020222121202 is an abundant number, since it is smaller than the sum of its proper divisors (16269331794318).

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

11020222121202 is a wasteful number, since it uses less digits than its factorization.

11020222121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4438647 (or 4438644 counting only the distinct ones).

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

Adding to 11020222121202 its reverse (20212122202011), we get a palindrome (31232344323213).

The spelling of 11020222121202 in words is "eleven trillion, twenty billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred two".