11201221112022 has 16 divisors (see below), whose sum is σ = 24891602471280. Its totient is φ = 3733740370656.

The previous prime is 11201221111987. The next prime is 11201221112023. The reversal of 11201221112022 is 22021112210211.

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 = 11201221111986 and 11201221112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201221112023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103715010243 + ... + 103715010350.

It is an arithmetic number, because the mean of its divisors is an integer number (1555725154455).

Almost surely, 2^{11201221112022} is an apocalyptic number.

11201221112022 is an abundant number, since it is smaller than the sum of its proper divisors (13690381359258).

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

11201221112022 is a wasteful number, since it uses less digits than its factorization.

11201221112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207430020604 (or 207430020598 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11201221112022 its reverse (22021112210211), we get a palindrome (33222333322233).

The spelling of 11201221112022 in words is "eleven trillion, two hundred one billion, two hundred twenty-one million, one hundred twelve thousand, twenty-two".