100112001210 has 48 divisors (see below), whose sum is σ = 280313606664. Its totient is φ = 24642953856.

The previous prime is 100112001163. The next prime is 100112001229. The reversal of 100112001210 is 12100211001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 46168687161 + 53943314049 = 214869^2 + 232257^2 .

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 = 100112001192 and 100112001201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42781737 + ... + 42784076.

Almost surely, 2^100112001210 is an apocalyptic number.

100112001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100112001210 is an abundant number, since it is smaller than the sum of its proper divisors (180201605454).

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

100112001210 is a wasteful number, since it uses less digits than its factorization.

100112001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85565839 (or 85565836 counting only the distinct ones).

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

Adding to 100112001210 its reverse (12100211001), we get a palindrome (112212212211).

The spelling of 100112001210 in words is "one hundred billion, one hundred twelve million, one thousand, two hundred ten".