110021002121 has 8 divisors (see below), whose sum is σ = 116292132000. Its totient is φ = 103797927360.

The previous prime is 110021002097. The next prime is 110021002123. The reversal of 110021002121 is 121200120011.

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 110021002121 - 2⁶ = 110021002057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110021002123) 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, 12009071 + ... + 12018228.

It is an arithmetic number, because the mean of its divisors is an integer number (14536516500).

Almost surely, 2^110021002121 is an apocalyptic number.

It is an amenable number.

110021002121 is a deficient number, since it is larger than the sum of its proper divisors (6271129879).

110021002121 is a wasteful number, since it uses less digits than its factorization.

110021002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24027559.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 110021002121 its reverse (121200120011), we get a palindrome (231221122132).

The spelling of 110021002121 in words is "one hundred ten billion, twenty-one million, two thousand, one hundred twenty-one".