110021210121 has 8 divisors (see below), whose sum is σ = 146696642784. Its totient is φ = 73346625440.

The previous prime is 110021210119. The next prime is 110021210129. The reversal of 110021210121 is 121012120011.

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 110021210121 - 2¹ = 110021210119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110021210097 and 110021210106.

It is not an unprimeable number, because it can be changed into a prime (110021210129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211741 + ... + 514661.

It is an arithmetic number, because the mean of its divisors is an integer number (18337080348).

Almost surely, 2^110021210121 is an apocalyptic number.

It is an amenable number.

110021210121 is a deficient number, since it is larger than the sum of its proper divisors (36675432663).

110021210121 is a wasteful number, since it uses less digits than its factorization.

110021210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423991.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 110021210121 its reverse (121012120011), we get a palindrome (231033330132).

The spelling of 110021210121 in words is "one hundred ten billion, twenty-one million, two hundred ten thousand, one hundred twenty-one".