1121224030401 has 16 divisors (see below), whose sum is σ = 1602125057664. Its totient is φ = 695659561344.

The previous prime is 1121224030397. The next prime is 1121224030403. The reversal of 1121224030401 is 1040304221211.

It is not a de Polignac number, because 1121224030401 - 2² = 1121224030397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121224030403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219586956 + ... + 219592061.

It is an arithmetic number, because the mean of its divisors is an integer number (100132816104).

Almost surely, 2^{1121224030401} is an apocalyptic number.

It is an amenable number.

1121224030401 is a deficient number, since it is larger than the sum of its proper divisors (480901027263).

1121224030401 is a wasteful number, since it uses less digits than its factorization.

1121224030401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439179080.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1121224030401 its reverse (1040304221211), we get a palindrome (2161528251612).

The spelling of 1121224030401 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-four million, thirty thousand, four hundred one".