110120020101 has 84 divisors (see below), whose sum is σ = 206835083532. Its totient is φ = 58085040384.

The previous prime is 110120020069. The next prime is 110120020159. The reversal of 110120020101 is 101020021011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 59535512001 + 50584508100 = 243999^2 + 224910^2 .

It is not a de Polignac number, because 110120020101 - 2⁵ = 110120020069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110120040101) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 345805 + ... + 582941.

It is an arithmetic number, because the mean of its divisors is an integer number (2462322423).

Almost surely, 2^110120020101 is an apocalyptic number.

It is an amenable number.

110120020101 is a deficient number, since it is larger than the sum of its proper divisors (96715063431).

110120020101 is an equidigital number, since it uses as much as digits as its factorization.

110120020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237182 (or 237160 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 110120020101 its reverse (101020021011), we get a palindrome (211140041112).

The spelling of 110120020101 in words is "one hundred ten billion, one hundred twenty million, twenty thousand, one hundred one".