1231112301121 has 8 divisors (see below), whose sum is σ = 1246637490560. Its totient is φ = 1215644934528.

The previous prime is 1231112301017. The next prime is 1231112301217. The reversal of 1231112301121 is 1211032111321.

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 1231112301121 - 2²³ = 1231103912513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1231112305121) 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, 14412861 + ... + 14498026.

It is an arithmetic number, because the mean of its divisors is an integer number (155829686320).

Almost surely, 2^{1231112301121} is an apocalyptic number.

It is an amenable number.

1231112301121 is a deficient number, since it is larger than the sum of its proper divisors (15525189439).

1231112301121 is an equidigital number, since it uses as much as digits as its factorization.

1231112301121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28911423.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1231112301121 its reverse (1211032111321), we get a palindrome (2442144412442).

The spelling of 1231112301121 in words is "one trillion, two hundred thirty-one billion, one hundred twelve million, three hundred one thousand, one hundred twenty-one".