110212121022121 has 16 divisors (see below), whose sum is σ = 113879716937728. Its totient is φ = 106551557470800.

The previous prime is 110212121022077. The next prime is 110212121022197. The reversal of 110212121022121 is 121220121212011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 110212121022121 - 2¹¹ = 110212121020073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110212151022121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 838489276 + ... + 838620706.

It is an arithmetic number, because the mean of its divisors is an integer number (7117482308608).

Almost surely, 2^{110212121022121} is an apocalyptic number.

It is an amenable number.

110212121022121 is a deficient number, since it is larger than the sum of its proper divisors (3667595915607).

110212121022121 is a wasteful number, since it uses less digits than its factorization.

110212121022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157972.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 110212121022121 its reverse (121220121212011), we get a palindrome (231432242234132).

The spelling of 110212121022121 in words is "one hundred ten trillion, two hundred twelve billion, one hundred twenty-one million, twenty-two thousand, one hundred twenty-one".