11201212112223 has 8 divisors (see below), whose sum is σ = 17068513694848. Its totient is φ = 6400692635544.

The previous prime is 11201212112183. The next prime is 11201212112323. The reversal of 11201212112223 is 32221121210211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11201212112223 - 2²¹ = 11201210015071 is a prime.

It is a super-2 number, since 2×11201212112223² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 533391052963 = 11201212112223 / (1 + 1 + 2 + 0 + 1 + 2 + 1 + 2 + 1 + 1 + 2 + 2 + 2 + 3).

It is a self number, because there is not a number n which added to its sum of digits gives 11201212112223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201212112323) 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, 266695526461 + ... + 266695526502.

It is an arithmetic number, because the mean of its divisors is an integer number (2133564211856).

Almost surely, 2^{11201212112223} is an apocalyptic number.

11201212112223 is a deficient number, since it is larger than the sum of its proper divisors (5867301582625).

11201212112223 is an equidigital number, since it uses as much as digits as its factorization.

11201212112223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533391052973.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 11201212112223 its reverse (32221121210211), we get a palindrome (43422333322434).

The spelling of 11201212112223 in words is "eleven trillion, two hundred one billion, two hundred twelve million, one hundred twelve thousand, two hundred twenty-three".