3101312221121 has 8 divisors (see below), whose sum is σ = 3119976121920. Its totient is φ = 3082649429808.

The previous prime is 3101312221087. The next prime is 3101312221153. The reversal of 3101312221121 is 1211222131013.

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 3101312221121 - 2²⁶ = 3101245112257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3101312221093 and 3101312221102.

It is not an unprimeable number, because it can be changed into a prime (3101312224121) 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, 5718710 + ... + 6237488.

It is an arithmetic number, because the mean of its divisors is an integer number (389997015240).

Almost surely, 2^{3101312221121} is an apocalyptic number.

It is an amenable number.

3101312221121 is a deficient number, since it is larger than the sum of its proper divisors (18663900799).

3101312221121 is a wasteful number, since it uses less digits than its factorization.

3101312221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554743.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 3101312221121 its reverse (1211222131013), we get a palindrome (4312534352134).

The spelling of 3101312221121 in words is "three trillion, one hundred one billion, three hundred twelve million, two hundred twenty-one thousand, one hundred twenty-one".