11201121022 has 48 divisors (see below), whose sum is σ = 20967962400. Its totient is φ = 4370132736.

The previous prime is 11201121017. The next prime is 11201121023. The reversal of 11201121022 is 22012110211.

It is a super-2 number, since 2×11201121022² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 11201120993 and 11201121011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201121023) 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, 964104 + ... + 975652.

It is an arithmetic number, because the mean of its divisors is an integer number (436832550).

Almost surely, 2^11201121022 is an apocalyptic number.

11201121022 is a deficient number, since it is larger than the sum of its proper divisors (9766841378).

11201121022 is a wasteful number, since it uses less digits than its factorization.

11201121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11717 (or 11644 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11201121022 its reverse (22012110211), we get a palindrome (33213231233).

The spelling of 11201121022 in words is "eleven billion, two hundred one million, one hundred twenty-one thousand, twenty-two".