11202021202122 has 24 divisors (see below), whose sum is σ = 24295736765664. Its totient is φ = 3730208478504.

The previous prime is 11202021202109. The next prime is 11202021202199. The reversal of 11202021202122 is 22120212020211.

It is a happy number.

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 = 11202021202095 and 11202021202104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316530888 + ... + 316566275.

It is an arithmetic number, because the mean of its divisors is an integer number (1012322365236).

Almost surely, 2^{11202021202122} is an apocalyptic number.

11202021202122 is an abundant number, since it is smaller than the sum of its proper divisors (13093715563542).

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

11202021202122 is a wasteful number, since it uses less digits than its factorization.

11202021202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633098154 (or 633098151 counting only the distinct ones).

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

Adding to 11202021202122 its reverse (22120212020211), we get a palindrome (33322233222333).

The spelling of 11202021202122 in words is "eleven trillion, two hundred two billion, twenty-one million, two hundred two thousand, one hundred twenty-two".