120100110210 has 40 divisors (see below), whose sum is σ = 322935854076. Its totient is φ = 32026695840.

The previous prime is 120100110209. The next prime is 120100110211. The reversal of 120100110210 is 12011001021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120100110209) and next prime (120100110211).

It can be written as a sum of positive squares in 2 ways, for example, as 100687539969 + 19412570241 = 317313^2 + 139329^2 .

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 = 120100110192 and 120100110201.

It is not an unprimeable number, because it can be changed into a prime (120100110211) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 74135061 + ... + 74136680.

Almost surely, 2^120100110210 is an apocalyptic number.

120100110210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120100110210 is an abundant number, since it is smaller than the sum of its proper divisors (202835743866).

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

120100110210 is a wasteful number, since it uses less digits than its factorization.

120100110210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148271760 (or 148271751 counting only the distinct ones).

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

Adding to 120100110210 its reverse (12011001021), we get a palindrome (132111111231).

The spelling of 120100110210 in words is "one hundred twenty billion, one hundred million, one hundred ten thousand, two hundred ten".