20110010100 has 72 divisors (see below), whose sum is σ = 58279499040. Its totient is φ = 5353956480.

The previous prime is 20110010087. The next prime is 20110010113. The reversal of 20110010100 is 101001102.

It is an interprime number because it is at equal distance from previous prime (20110010087) and next prime (20110010113).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131554 + ... + 239846.

Almost surely, 2^20110010100 is an apocalyptic number.

20110010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20110010100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29139749520).

20110010100 is an abundant number, since it is smaller than the sum of its proper divisors (38169488940).

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

20110010100 is a wasteful number, since it uses less digits than its factorization.

20110010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108929 (or 108922 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 20110010100 its reverse (101001102), we get a palindrome (20211011202).

The spelling of 20110010100 in words is "twenty billion, one hundred ten million, ten thousand, one hundred".