1123421200001 has 32 divisors (see below), whose sum is σ = 1242861312000. Its totient is φ = 1011269593152.

The previous prime is 1123421199997. The next prime is 1123421200009. The reversal of 1123421200001 is 1000021243211.

It is a cyclic number.

It is not a de Polignac number, because 1123421200001 - 2² = 1123421199997 is a prime.

It is a super-2 number, since 2×1123421200001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1123421200009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13321370 + ... + 13405436.

It is an arithmetic number, because the mean of its divisors is an integer number (38839416000).

Almost surely, 2^{1123421200001} is an apocalyptic number.

It is an amenable number.

1123421200001 is a deficient number, since it is larger than the sum of its proper divisors (119440111999).

1123421200001 is a wasteful number, since it uses less digits than its factorization.

1123421200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84501.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1123421200001 its reverse (1000021243211), we get a palindrome (2123442443212).

The spelling of 1123421200001 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-one million, two hundred thousand, one".