11201222121122 has 16 divisors (see below), whose sum is σ = 18395443230912. Its totient is φ = 5073083859120.

The previous prime is 11201222121119. The next prime is 11201222121157. The reversal of 11201222121122 is 22112122210211.

It is a junction number, because it is equal to n+sod(n) for n = 11201222121094 and 11201222121103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919030838 + ... + 919043025.

It is an arithmetic number, because the mean of its divisors is an integer number (1149715201932).

Almost surely, 2^{11201222121122} is an apocalyptic number.

11201222121122 is a deficient number, since it is larger than the sum of its proper divisors (7194221109790).

11201222121122 is a wasteful number, since it uses less digits than its factorization.

11201222121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838074153.

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

Adding to 11201222121122 its reverse (22112122210211), we get a palindrome (33313344331333).

The spelling of 11201222121122 in words is "eleven trillion, two hundred one billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-two".