110421201204 has 18 divisors (see below), whose sum is σ = 279120258690. Its totient is φ = 36807067056.

The previous prime is 110421201169. The next prime is 110421201229. The reversal of 110421201204 is 402102124011.

It can be written as a sum of positive squares in only one way, i.e., 67901936400 + 42519264804 = 260580^2 + 206202^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1533627759 + ... + 1533627830.

Almost surely, 2^110421201204 is an apocalyptic number.

It is an amenable number.

110421201204 is an abundant number, since it is smaller than the sum of its proper divisors (168699057486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

110421201204 is a wasteful number, since it uses less digits than its factorization.

110421201204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067255599 (or 3067255594 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 110421201204 its reverse (402102124011), we get a palindrome (512523325215).

The spelling of 110421201204 in words is "one hundred ten billion, four hundred twenty-one million, two hundred one thousand, two hundred four".