20100210100112 has 20 divisors (see below), whose sum is σ = 39894014559756. Its totient is φ = 9804980536320.

The previous prime is 20100210100097. The next prime is 20100210100121. The reversal of 20100210100112 is 21100101200102.

It can be written as a sum of positive squares in 2 ways, for example, as 4948684990096 + 15151525110016 = 2224564^2 + 3892496^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20100210100093 and 20100210100102.

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, 15320281433 + ... + 15320282744.

Almost surely, 2^{20100210100112} is an apocalyptic number.

It is an amenable number.

20100210100112 is a deficient number, since it is larger than the sum of its proper divisors (19793804459644).

20100210100112 is a wasteful number, since it uses less digits than its factorization.

20100210100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30640564226 (or 30640564220 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20100210100112 its reverse (21100101200102), we get a palindrome (41200311300214).

The spelling of 20100210100112 in words is "twenty trillion, one hundred billion, two hundred ten million, one hundred thousand, one hundred twelve".