120110100210 has 128 divisors (see below), whose sum is σ = 335299461120. Its totient is φ = 30537777600.

The previous prime is 120110100181. The next prime is 120110100217. The reversal of 120110100210 is 12001011021.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 120110100192 and 120110100201.

It is not an unprimeable number, because it can be changed into a prime (120110100217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1900215 + ... + 1962405.

It is an arithmetic number, because the mean of its divisors is an integer number (2619527040).

Almost surely, 2^120110100210 is an apocalyptic number.

120110100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120110100210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167649730560).

120110100210 is an abundant number, since it is smaller than the sum of its proper divisors (215189360910).

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

120110100210 is a wasteful number, since it uses less digits than its factorization.

120110100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62541 (or 62535 counting only the distinct ones).

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

Adding to 120110100210 its reverse (12001011021), we get a palindrome (132111111231).

The spelling of 120110100210 in words is "one hundred twenty billion, one hundred ten million, one hundred thousand, two hundred ten".