110202012121 has 8 divisors (see below), whose sum is σ = 110839600800. Its totient is φ = 109564667520.

The previous prime is 110202012103. The next prime is 110202012191. The reversal of 110202012121 is 121210202011.

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 110202012121 - 2⁹ = 110202011609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110202012191) 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, 887010 + ... + 1003588.

It is an arithmetic number, because the mean of its divisors is an integer number (13854950100).

Almost surely, 2^110202012121 is an apocalyptic number.

It is an amenable number.

110202012121 is a deficient number, since it is larger than the sum of its proper divisors (637588679).

110202012121 is a wasteful number, since it uses less digits than its factorization.

110202012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122039.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110202012121 its reverse (121210202011), we get a palindrome (231412214132).

The spelling of 110202012121 in words is "one hundred ten billion, two hundred two million, twelve thousand, one hundred twenty-one".