11001201122122 has 16 divisors (see below), whose sum is σ = 16629556105800. Its totient is φ = 5458091327488.

The previous prime is 11001201122117. The next prime is 11001201122299. The reversal of 11001201122122 is 22122110210011.

It can be written as a sum of positive squares in 4 ways, for example, as 9977884770841 + 1023316351281 = 3158779^2 + 1011591^2 .

It is a super-2 number, since 2×11001201122122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11001201122096 and 11001201122105.

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, 18601783 + ... + 19184074.

Almost surely, 2^{11001201122122} is an apocalyptic number.

11001201122122 is a deficient number, since it is larger than the sum of its proper divisors (5628354983678).

11001201122122 is a wasteful number, since it uses less digits than its factorization.

11001201122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37786985.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11001201122122 its reverse (22122110210011), we get a palindrome (33123311332133).

The spelling of 11001201122122 in words is "eleven trillion, one billion, two hundred one million, one hundred twenty-two thousand, one hundred twenty-two".