1131200123301 has 20 divisors (see below), whose sum is σ = 1690181979552. Its totient is φ = 753970741128.

The previous prime is 1131200123293. The next prime is 1131200123303. The reversal of 1131200123301 is 1033210021311.

1131200123301 is a `hidden beast` number, since 1 + 131 + 200 + 1 + 2 + 330 + 1 = 666.

It is not a de Polignac number, because 1131200123301 - 2³ = 1131200123293 is a prime.

It is a super-2 number, since 2×1131200123301² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131200123303) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1127841 + ... + 1880006.

Almost surely, 2^{1131200123301} is an apocalyptic number.

It is an amenable number.

1131200123301 is a deficient number, since it is larger than the sum of its proper divisors (558981856251).

1131200123301 is an equidigital number, since it uses as much as digits as its factorization.

1131200123301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012502 (or 3012493 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1131200123301 its reverse (1033210021311), we get a palindrome (2164410144612).

The spelling of 1131200123301 in words is "one trillion, one hundred thirty-one billion, two hundred million, one hundred twenty-three thousand, three hundred one".