12101610121 has 8 divisors (see below), whose sum is σ = 12184755264. Its totient is φ = 12018684720.

The previous prime is 12101610119. The next prime is 12101610133.

12101610121 is nontrivially palindromic in base 10.

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 12101610121 - 2¹ = 12101610119 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12101610095 and 12101610104.

It is not an unprimeable number, because it can be changed into a prime (12101610161) 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, 56356 + ... + 165466.

It is an arithmetic number, because the mean of its divisors is an integer number (1523094408).

Almost surely, 2^12101610121 is an apocalyptic number.

It is an amenable number.

12101610121 is a deficient number, since it is larger than the sum of its proper divisors (83145143).

12101610121 is a wasteful number, since it uses less digits than its factorization.

12101610121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109871.

The product of its (nonzero) digits is 24, while the sum is 16.

The spelling of 12101610121 in words is "twelve billion, one hundred one million, six hundred ten thousand, one hundred twenty-one".