100011110210020 has 48 divisors (see below), whose sum is σ = 213070671555840. Its totient is φ = 39425849858304.

The previous prime is 100011110209961. The next prime is 100011110210023. The reversal of 100011110210020 is 20012011110001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 100011110209979 and 100011110210006.

It is not an unprimeable number, because it can be changed into a prime (100011110210023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56995129 + ... + 58723648.

It is an arithmetic number, because the mean of its divisors is an integer number (4438972324080).

Almost surely, 2^{100011110210020} is an apocalyptic number.

100011110210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100011110210020 is an abundant number, since it is smaller than the sum of its proper divisors (113059561345820).

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

100011110210020 is a wasteful number, since it uses less digits than its factorization.

100011110210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115719412 (or 115719410 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100011110210020 its reverse (20012011110001), we get a palindrome (120023121320021).

The spelling of 100011110210020 in words is "one hundred trillion, eleven billion, one hundred ten million, two hundred ten thousand, twenty".