110020102101 has 48 divisors (see below), whose sum is σ = 200877599104. Its totient is φ = 56464117632.

The previous prime is 110020102079. The next prime is 110020102163. The reversal of 110020102101 is 101201020011.

It is a happy number.

It is not a de Polignac number, because 110020102101 - 2²⁵ = 109986547669 is a prime.

It is a super-2 number, since 2×110020102101² (a number of 23 digits) contains 22 as substring.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110020102301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1785031 + ... + 1845636.

Almost surely, 2^110020102101 is an apocalyptic number.

It is an amenable number.

110020102101 is a deficient number, since it is larger than the sum of its proper divisors (90857497003).

110020102101 is a wasteful number, since it uses less digits than its factorization.

110020102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3630730 (or 3630727 counting only the distinct ones).

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

Adding to 110020102101 its reverse (101201020011), we get a palindrome (211221122112).

The spelling of 110020102101 in words is "one hundred ten billion, twenty million, one hundred two thousand, one hundred one".