1122121121201 has 8 divisors (see below), whose sum is σ = 1181657807520. Its totient is φ = 1062632202912.

The previous prime is 1122121121047. The next prime is 1122121121207. The reversal of 1122121121201 is 1021211212211.

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

It is a cyclic number.

It is not a de Polignac number, because 1122121121201 - 2¹⁴ = 1122121104817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122121121201.

It is not an unprimeable number, because it can be changed into a prime (1122121121207) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 11893775 + ... + 11987748.

It is an arithmetic number, because the mean of its divisors is an integer number (147707225940).

Almost surely, 2^{1122121121201} is an apocalyptic number.

It is an amenable number.

1122121121201 is a deficient number, since it is larger than the sum of its proper divisors (59536686319).

1122121121201 is a wasteful number, since it uses less digits than its factorization.

1122121121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23884015.

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

Adding to 1122121121201 its reverse (1021211212211), we get a palindrome (2143332333412).

The spelling of 1122121121201 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred one".