1122012222201 has 96 divisors (see below), whose sum is σ = 1894894458912. Its totient is φ = 633400197120.

The previous prime is 1122012222197. The next prime is 1122012222209. The reversal of 1122012222201 is 1022222102211.

It is a happy number.

1122012222201 is a `hidden beast` number, since 1 + 1 + 220 + 1 + 222 + 220 + 1 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 152474630400 + 969537591801 = 390480^2 + 984651^2 .

It is not a de Polignac number, because 1122012222201 - 2² = 1122012222197 is a prime.

It is a super-2 number, since 2×1122012222201² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1122012222209) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 94020031 + ... + 94031963.

It is an arithmetic number, because the mean of its divisors is an integer number (19738483947).

Almost surely, 2^{1122012222201} is an apocalyptic number.

It is an amenable number.

1122012222201 is a deficient number, since it is larger than the sum of its proper divisors (772882236711).

1122012222201 is a wasteful number, since it uses less digits than its factorization.

1122012222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13163 (or 13160 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1122012222201 its reverse (1022222102211), we get a palindrome (2144234324412).

The spelling of 1122012222201 in words is "one trillion, one hundred twenty-two billion, twelve million, two hundred twenty-two thousand, two hundred one".