12110012100121 has 8 divisors (see below), whose sum is σ = 13046894235144. Its totient is φ = 11173893214080.

The previous prime is 12110012100107. The next prime is 12110012100227. The reversal of 12110012100121 is 12100121001121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1950547225 + 12108061552896 = 44165^2 + 3479664^2 .

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 12110012100121 - 2¹³ = 12110012091929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12110012100521) 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, 190779286 + ... + 190842751.

It is an arithmetic number, because the mean of its divisors is an integer number (1630861779393).

Almost surely, 2^{12110012100121} is an apocalyptic number.

It is an amenable number.

12110012100121 is a deficient number, since it is larger than the sum of its proper divisors (936882135023).

12110012100121 is a wasteful number, since it uses less digits than its factorization.

12110012100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381624491.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12110012100121 its reverse (12100121001121), we get a palindrome (24210133101242).

The spelling of 12110012100121 in words is "twelve trillion, one hundred ten billion, twelve million, one hundred thousand, one hundred twenty-one".