12101121111031 has 8 divisors (see below), whose sum is σ = 12397208014800. Its totient is φ = 11805078855360.

The previous prime is 12101121110983. The next prime is 12101121111049. The reversal of 12101121111031 is 13011112110121.

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 12101121111031 - 2¹¹ = 12101121108983 is a prime.

It is a super-2 number, since 2×12101121111031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12101121110996 and 12101121111014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101121171031) 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, 10613001 + ... + 11697778.

It is an arithmetic number, because the mean of its divisors is an integer number (1549651001850).

Almost surely, 2^{12101121111031} is an apocalyptic number.

12101121111031 is a deficient number, since it is larger than the sum of its proper divisors (296086903769).

12101121111031 is a wasteful number, since it uses less digits than its factorization.

12101121111031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22324049.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 12101121111031 its reverse (13011112110121), we get a palindrome (25112233221152).

The spelling of 12101121111031 in words is "twelve trillion, one hundred one billion, one hundred twenty-one million, one hundred eleven thousand, thirty-one".