1123200842401 has 16 divisors (see below), whose sum is σ = 1233807969600. Its totient is φ = 1014017359680.

The previous prime is 1123200842383. The next prime is 1123200842429. The reversal of 1123200842401 is 1042480023211.

It is a cyclic number.

It is not a de Polignac number, because 1123200842401 - 2⁵ = 1123200842369 is a prime.

It is a super-4 number, since 4×1123200842401⁴ (a number of 49 digits) contains 4444 as substring.

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 1123200842401.

It is not an unprimeable number, because it can be changed into a prime (1123200842201) 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, 2904175 + ... + 3268123.

It is an arithmetic number, because the mean of its divisors is an integer number (77112998100).

Almost surely, 2^{1123200842401} is an apocalyptic number.

1123200842401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1123200842401 is a deficient number, since it is larger than the sum of its proper divisors (110607127199).

1123200842401 is a wasteful number, since it uses less digits than its factorization.

1123200842401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365904.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 1123200842401 its reverse (1042480023211), we get a palindrome (2165680865612).

The spelling of 1123200842401 in words is "one trillion, one hundred twenty-three billion, two hundred million, eight hundred forty-two thousand, four hundred one".