110212121210121 has 12 divisors (see below), whose sum is σ = 181937469934272. Its totient is φ = 62978354977176.

The previous prime is 110212121210117. The next prime is 110212121210137. The reversal of 110212121210121 is 121012121212011.

It is a happy number.

110212121210121 is a `hidden beast` number, since 1 + 1 + 0 + 212 + 121 + 210 + 121 = 666.

It is not a de Polignac number, because 110212121210121 - 2² = 110212121210117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110212121210094 and 110212121210103.

It is not an unprimeable number, because it can be changed into a prime (110212121210111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 874699374621 + ... + 874699374746.

It is an arithmetic number, because the mean of its divisors is an integer number (15161455827856).

Almost surely, 2^{110212121210121} is an apocalyptic number.

It is an amenable number.

110212121210121 is a deficient number, since it is larger than the sum of its proper divisors (71725348724151).

110212121210121 is a wasteful number, since it uses less digits than its factorization.

110212121210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749398749380 (or 1749398749377 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 110212121210121 its reverse (121012121212011), we get a palindrome (231224242422132).

The spelling of 110212121210121 in words is "one hundred ten trillion, two hundred twelve billion, one hundred twenty-one million, two hundred ten thousand, one hundred twenty-one".