10131212011121 has 8 divisors (see below), whose sum is σ = 10827419545440. Its totient is φ = 9446143797568.

The previous prime is 10131212011099. The next prime is 10131212011153. The reversal of 10131212011121 is 12111021213101.

10131212011121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-10131212011121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 10131212011121.

It is not an unprimeable number, because it can be changed into a prime (10131212011721) 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, 2784828311 + ... + 2784831948.

It is an arithmetic number, because the mean of its divisors is an integer number (1353427443180).

Almost surely, 2^{10131212011121} is an apocalyptic number.

It is an amenable number.

10131212011121 is a deficient number, since it is larger than the sum of its proper divisors (696207534319).

10131212011121 is a wasteful number, since it uses less digits than its factorization.

10131212011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5569660383.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 10131212011121 its reverse (12111021213101), we get a palindrome (22242233224222).

The spelling of 10131212011121 in words is "ten trillion, one hundred thirty-one billion, two hundred twelve million, eleven thousand, one hundred twenty-one".