1122121204401 has 8 divisors (see below), whose sum is σ = 1496190221280. Its totient is φ = 748066495232.

The previous prime is 1122121204397. The next prime is 1122121204423. The reversal of 1122121204401 is 1044021212211.

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 1122121204401 - 2² = 1122121204397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122121204471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3392571 + ... + 3708608.

It is an arithmetic number, because the mean of its divisors is an integer number (187023777660).

Almost surely, 2^{1122121204401} is an apocalyptic number.

It is an amenable number.

1122121204401 is a deficient number, since it is larger than the sum of its proper divisors (374069016879).

1122121204401 is an equidigital number, since it uses as much as digits as its factorization.

1122121204401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7153855.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 1122121204401 its reverse (1044021212211), we get a palindrome (2166142416612).

The spelling of 1122121204401 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred four thousand, four hundred one".