11331202122 has 24 divisors (see below), whose sum is σ = 25214478276. Its totient is φ = 3674984256.

The previous prime is 11331202111. The next prime is 11331202229. The reversal of 11331202122 is 22120213311.

11331202122 is a `hidden beast` number, since 11 + 331 + 202 + 122 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8185001841 + 3146200281 = 90471^2 + 56091^2 .

It is a super-2 number, since 2×11331202122² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11331202095 and 11331202104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8506243 + ... + 8507574.

Almost surely, 2^11331202122 is an apocalyptic number.

11331202122 is an abundant number, since it is smaller than the sum of its proper divisors (13883276154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11331202122 is a wasteful number, since it uses less digits than its factorization.

11331202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17013862 (or 17013859 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11331202122 its reverse (22120213311), we get a palindrome (33451415433).

It can be divided in two parts, 11 and 331202122, that added together give a palindrome (331202133).

The spelling of 11331202122 in words is "eleven billion, three hundred thirty-one million, two hundred two thousand, one hundred twenty-two".