100112122021210 has 16 divisors (see below), whose sum is σ = 194063498072136. Its totient is φ = 36964475823168.

The previous prime is 100112122021187. The next prime is 100112122021211. The reversal of 100112122021210 is 12120221211001.

It can be written as a sum of positive squares in 4 ways, for example, as 83156726378961 + 16955395642249 = 9119031^2 + 4117693^2 .

It is not an unprimeable number, because it can be changed into a prime (100112122021211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385046623029 + ... + 385046623288.

Almost surely, 2^{100112122021210} is an apocalyptic number.

100112122021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100112122021210 is a deficient number, since it is larger than the sum of its proper divisors (93951376050926).

100112122021210 is a wasteful number, since it uses less digits than its factorization.

100112122021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770093246337.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100112122021210 its reverse (12120221211001), we get a palindrome (112232343232211).

The spelling of 100112122021210 in words is "one hundred trillion, one hundred twelve billion, one hundred twenty-two million, twenty-one thousand, two hundred ten".