11211200121122 has 8 divisors (see below), whose sum is σ = 17806023721836. Its totient is φ = 5275858880512.

The previous prime is 11211200121091. The next prime is 11211200121127. The reversal of 11211200121122 is 22112100211211.

It can be written as a sum of positive squares in 2 ways, for example, as 11137177492081 + 74022629041 = 3337241^2 + 272071^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 11211200121122.

It is not an unprimeable number, because it can be changed into a prime (11211200121127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164870589983 + ... + 164870590050.

Almost surely, 2^{11211200121122} is an apocalyptic number.

11211200121122 is a deficient number, since it is larger than the sum of its proper divisors (6594823600714).

11211200121122 is a wasteful number, since it uses less digits than its factorization.

11211200121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329741180052.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11211200121122 its reverse (22112100211211), we get a palindrome (33323300332333).

The spelling of 11211200121122 in words is "eleven trillion, two hundred eleven billion, two hundred million, one hundred twenty-one thousand, one hundred twenty-two".