100102110231220 has 12 divisors (see below), whose sum is σ = 210214431485604. Its totient is φ = 40040844092480.

The previous prime is 100102110231217. The next prime is 100102110231247. The reversal of 100102110231220 is 22132011201001.

It can be written as a sum of positive squares in 2 ways, for example, as 77171094645264 + 22931015585956 = 8784708^2 + 4788634^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100102110231194 and 100102110231203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502552755761 + ... + 2502552755800.

It is an arithmetic number, because the mean of its divisors is an integer number (17517869290467).

Almost surely, 2^{100102110231220} is an apocalyptic number.

100102110231220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100102110231220 is an abundant number, since it is smaller than the sum of its proper divisors (110112321254384).

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

100102110231220 is a wasteful number, since it uses less digits than its factorization.

100102110231220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005105511570 (or 5005105511568 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 100102110231220 its reverse (22132011201001), we get a palindrome (122234121432221).

The spelling of 100102110231220 in words is "one hundred trillion, one hundred two billion, one hundred ten million, two hundred thirty-one thousand, two hundred twenty".