11201212221122 has 24 divisors (see below), whose sum is σ = 21321788014800. Its totient is φ = 4364108657160.

The previous prime is 11201212221109. The next prime is 11201212221127. The reversal of 11201212221122 is 22112221210211.

11201212221122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11201212221122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11201212221094 and 11201212221103.

It is not an unprimeable number, because it can be changed into a prime (11201212221127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5195366372 + ... + 5195368527.

It is an arithmetic number, because the mean of its divisors is an integer number (888407833950).

Almost surely, 2^{11201212221122} is an apocalyptic number.

11201212221122 is a deficient number, since it is larger than the sum of its proper divisors (10120575793678).

11201212221122 is a wasteful number, since it uses less digits than its factorization.

11201212221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10390734926 (or 10390734919 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11201212221122 its reverse (22112221210211), we get a palindrome (33313433431333).

The spelling of 11201212221122 in words is "eleven trillion, two hundred one billion, two hundred twelve million, two hundred twenty-one thousand, one hundred twenty-two".