2201122111112 has 8 divisors (see below), whose sum is σ = 4127103958350. Its totient is φ = 1100561055552.

The previous prime is 2201122111103. The next prime is 2201122111127. The reversal of 2201122111112 is 2111112211022.

It can be written as a sum of positive squares in only one way, i.e., 2161388067556 + 39734043556 = 1470166^2 + 199334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2201122111112² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137570131937 + ... + 137570131952.

Almost surely, 2^{2201122111112} is an apocalyptic number.

It is an amenable number.

2201122111112 is a deficient number, since it is larger than the sum of its proper divisors (1925981847238).

2201122111112 is a wasteful number, since it uses less digits than its factorization.

2201122111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275140263895 (or 275140263891 counting only the distinct ones).

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

Adding to 2201122111112 its reverse (2111112211022), we get a palindrome (4312234322134).

The spelling of 2201122111112 in words is "two trillion, two hundred one billion, one hundred twenty-two million, one hundred eleven thousand, one hundred twelve".