100120110210 has 64 divisors (see below), whose sum is σ = 278595106560. Its totient is φ = 25537881600.

The previous prime is 100120110203. The next prime is 100120110229. The reversal of 100120110210 is 12011021001.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100120110192 and 100120110201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8054991 + ... + 8067410.

It is an arithmetic number, because the mean of its divisors is an integer number (4353048540).

Almost surely, 2^100120110210 is an apocalyptic number.

100120110210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100120110210 is an abundant number, since it is smaller than the sum of its proper divisors (178474996350).

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

100120110210 is a wasteful number, since it uses less digits than its factorization.

100120110210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16122440 (or 16122434 counting only the distinct ones).

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

Adding to 100120110210 its reverse (12011021001), we get a palindrome (112131131211).

The spelling of 100120110210 in words is "one hundred billion, one hundred twenty million, one hundred ten thousand, two hundred ten".